20741571760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1259}}^1$

素因数の和:1396

約数の個数: 320

約数和(自身を含む): 62156021760

約数和(自身を除く): 41414450000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 73, 80, 91, 104, 112, 124, 130, 140, 146, 155, 182, 208, 217, 248, 260, 280, 292, 310, 364, 365, 403, 434, 455, 496, 511, 520, 560, 584, 620, 728, 730, 806, 868, 910, 949, 1022, 1040, 1085, 1168, 1240, 1259, 1456, 1460, 1612, 1736, 1820, 1898, 2015, 2044, 2170, 2263, 2480, 2518, 2555, 2821, 2920, 3224, 3472, 3640, 3796, 4030, 4088, 4340, 4526, 4745, 5036, 5110, 5642, 5840, 6295, 6448, 6643, 7280, 7592, 8060, 8176, 8680, 8813, 9052, 9490, 10072, 10220, 11284, 11315, 12590, 13286, 14105, 15184, 15841, 16120, 16367, 17360, 17626, 18104, 18980, 20144, 20440, 22568, 22630, 25180, 26572, 28210, 29419, 31682, 32240, 32734, 33215, 35252, 36208, 37960, 39029, 40880, 44065, 45136, 45260, 50360, 53144, 56420, 58838, 63364, 65468, 66430, 70504, 75920, 78058, 79205, 81835, 88130, 90520, 91907, 100720, 106288, 112840, 114569, 117676, 126728, 130936, 132860, 141008, 147095, 156116, 158410, 163670, 176260, 181040, 183814, 195145, 205933, 225680, 229138, 235352, 253456, 261872, 265720, 273203, 294190, 312232, 316820, 327340, 352520, 367628, 390290, 411866, 458276, 459535, 470704, 507377, 531440, 546406, 572845, 588380, 624464, 633640, 643349, 654680, 705040, 735256, 780580, 823732, 916552, 919070, 1014754, 1029665, 1092812, 1145690, 1176760, 1194791, 1267280, 1286698, 1309360, 1366015, 1470512, 1561160, 1647464, 1833104, 1838140, 2029508, 2059330, 2185624, 2291380, 2353520, 2389582, 2536885, 2573396, 2732030, 2849117, 3122320, 3216745, 3294928, 3551639, 3676280, 4059016, 4118660, 4371248, 4582760, 4779164, 5073770, 5146792, 5464060, 5698234, 5973955, 6433490, 7103278, 7352560, 8118032, 8237320, 8363537, 9165520, 9558328, 10147540, 10293584, 10928120, 11396468, 11947910, 12866980, 14206556, 14245585, 16474640, 16727074, 17758195, 19116656, 19943819, 20295080, 21856240, 22792936, 23895820, 25733960, 28413112, 28491170, 33454148, 35516390, 37038521, 39887638, 40590160, 41817685, 45585872, 47791640, 51467920, 56826224, 56982340, 66908296, 71032780, 74077042, 79775276, 83635370, 95583280, 99719095, 113964680, 133816592, 142065560, 148154084, 159550552, 167270740, 185192605, 199438190, 227929360, 259269647, 284131120, 296308168, 319101104, 334541480, 370385210, 398876380, 518539294, 592616336, 669082960, 740770420, 797752760, 1037078588, 1296348235, 1481540840, 1595505520, 2074157176, 2592696470, 2963081680, 4148314352, 5185392940, 10370785880, 20741571760]

約数ペア:

[(1, 20741571760), (2, 10370785880), (4, 5185392940), (5, 4148314352), (7, 2963081680), (8, 2592696470), (10, 2074157176), (13, 1595505520), (14, 1481540840), (16, 1296348235), (20, 1037078588), (26, 797752760), (28, 740770420), (31, 669082960), (35, 592616336), (40, 518539294), (52, 398876380), (56, 370385210), (62, 334541480), (65, 319101104), (70, 296308168), (73, 284131120), (80, 259269647), (91, 227929360), (104, 199438190), (112, 185192605), (124, 167270740), (130, 159550552), (140, 148154084), (146, 142065560), (155, 133816592), (182, 113964680), (208, 99719095), (217, 95583280), (248, 83635370), (260, 79775276), (280, 74077042), (292, 71032780), (310, 66908296), (364, 56982340), (365, 56826224), (403, 51467920), (434, 47791640), (455, 45585872), (496, 41817685), (511, 40590160), (520, 39887638), (560, 37038521), (584, 35516390), (620, 33454148), (728, 28491170), (730, 28413112), (806, 25733960), (868, 23895820), (910, 22792936), (949, 21856240), (1022, 20295080), (1040, 19943819), (1085, 19116656), (1168, 17758195), (1240, 16727074), (1259, 16474640), (1456, 14245585), (1460, 14206556), (1612, 12866980), (1736, 11947910), (1820, 11396468), (1898, 10928120), (2015, 10293584), (2044, 10147540), (2170, 9558328), (2263, 9165520), (2480, 8363537), (2518, 8237320), (2555, 8118032), (2821, 7352560), (2920, 7103278), (3224, 6433490), (3472, 5973955), (3640, 5698234), (3796, 5464060), (4030, 5146792), (4088, 5073770), (4340, 4779164), (4526, 4582760), (4745, 4371248), (5036, 4118660), (5110, 4059016), (5642, 3676280), (5840, 3551639), (6295, 3294928), (6448, 3216745), (6643, 3122320), (7280, 2849117), (7592, 2732030), (8060, 2573396), (8176, 2536885), (8680, 2389582), (8813, 2353520), (9052, 2291380), (9490, 2185624), (10072, 2059330), (10220, 2029508), (11284, 1838140), (11315, 1833104), (12590, 1647464), (13286, 1561160), (14105, 1470512), (15184, 1366015), (15841, 1309360), (16120, 1286698), (16367, 1267280), (17360, 1194791), (17626, 1176760), (18104, 1145690), (18980, 1092812), (20144, 1029665), (20440, 1014754), (22568, 919070), (22630, 916552), (25180, 823732), (26572, 780580), (28210, 735256), (29419, 705040), (31682, 654680), (32240, 643349), (32734, 633640), (33215, 624464), (35252, 588380), (36208, 572845), (37960, 546406), (39029, 531440), (40880, 507377), (44065, 470704), (45136, 459535), (45260, 458276), (50360, 411866), (53144, 390290), (56420, 367628), (58838, 352520), (63364, 327340), (65468, 316820), (66430, 312232), (70504, 294190), (75920, 273203), (78058, 265720), (79205, 261872), (81835, 253456), (88130, 235352), (90520, 229138), (91907, 225680), (100720, 205933), (106288, 195145), (112840, 183814), (114569, 181040), (117676, 176260), (126728, 163670), (130936, 158410), (132860, 156116), (141008, 147095)]