1221008880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1511}}^1$

素因数の和:1584

約数の個数: 320

約数和(自身を含む): 4787693568

約数和(自身を除く): 3566684688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 37, 39, 40, 42, 48, 52, 56, 60, 65, 70, 74, 78, 80, 84, 91, 104, 105, 111, 112, 120, 130, 140, 148, 156, 168, 182, 185, 195, 208, 210, 222, 240, 259, 260, 273, 280, 296, 312, 336, 364, 370, 390, 420, 444, 455, 481, 518, 520, 546, 555, 560, 592, 624, 728, 740, 777, 780, 840, 888, 910, 962, 1036, 1040, 1092, 1110, 1295, 1365, 1443, 1456, 1480, 1511, 1554, 1560, 1680, 1776, 1820, 1924, 2072, 2184, 2220, 2405, 2590, 2730, 2886, 2960, 3022, 3108, 3120, 3367, 3640, 3848, 3885, 4144, 4368, 4440, 4533, 4810, 5180, 5460, 5772, 6044, 6216, 6734, 7215, 7280, 7555, 7696, 7770, 8880, 9066, 9620, 10101, 10360, 10577, 10920, 11544, 12088, 12432, 13468, 14430, 15110, 15540, 16835, 18132, 19240, 19643, 20202, 20720, 21154, 21840, 22665, 23088, 24176, 26936, 28860, 30220, 31080, 31731, 33670, 36264, 38480, 39286, 40404, 42308, 45330, 50505, 52885, 53872, 55907, 57720, 58929, 60440, 62160, 63462, 67340, 72528, 78572, 80808, 84616, 90660, 98215, 101010, 105770, 111814, 115440, 117858, 120880, 126924, 134680, 137501, 157144, 158655, 161616, 167721, 169232, 181320, 196430, 202020, 211540, 223628, 235716, 253848, 269360, 275002, 279535, 294645, 314288, 317310, 335442, 362640, 391349, 392860, 404040, 412503, 423080, 447256, 471432, 507696, 550004, 559070, 589290, 634620, 670884, 687505, 726791, 782698, 785720, 808080, 825006, 838605, 846160, 894512, 942864, 1100008, 1118140, 1174047, 1178580, 1269240, 1341768, 1375010, 1453582, 1565396, 1571440, 1650012, 1677210, 1956745, 2062515, 2180373, 2200016, 2236280, 2348094, 2357160, 2538480, 2683536, 2750020, 2907164, 3130792, 3300024, 3354420, 3633955, 3913490, 4125030, 4360746, 4472560, 4696188, 4714320, 5087537, 5500040, 5814328, 5870235, 6261584, 6600048, 6708840, 7267910, 7826980, 8250060, 8721492, 9392376, 10175074, 10901865, 11000080, 11628656, 11740470, 13417680, 14535820, 15262611, 15653960, 16500120, 17442984, 18784752, 20350148, 21803730, 23480940, 25437685, 29071640, 30525222, 31307920, 33000240, 34885968, 40700296, 43607460, 46961880, 50875370, 58143280, 61050444, 76313055, 81400592, 87214920, 93923760, 101750740, 122100888, 152626110, 174429840, 203501480, 244201776, 305252220, 407002960, 610504440, 1221008880]

約数ペア:

[(1, 1221008880), (2, 610504440), (3, 407002960), (4, 305252220), (5, 244201776), (6, 203501480), (7, 174429840), (8, 152626110), (10, 122100888), (12, 101750740), (13, 93923760), (14, 87214920), (15, 81400592), (16, 76313055), (20, 61050444), (21, 58143280), (24, 50875370), (26, 46961880), (28, 43607460), (30, 40700296), (35, 34885968), (37, 33000240), (39, 31307920), (40, 30525222), (42, 29071640), (48, 25437685), (52, 23480940), (56, 21803730), (60, 20350148), (65, 18784752), (70, 17442984), (74, 16500120), (78, 15653960), (80, 15262611), (84, 14535820), (91, 13417680), (104, 11740470), (105, 11628656), (111, 11000080), (112, 10901865), (120, 10175074), (130, 9392376), (140, 8721492), (148, 8250060), (156, 7826980), (168, 7267910), (182, 6708840), (185, 6600048), (195, 6261584), (208, 5870235), (210, 5814328), (222, 5500040), (240, 5087537), (259, 4714320), (260, 4696188), (273, 4472560), (280, 4360746), (296, 4125030), (312, 3913490), (336, 3633955), (364, 3354420), (370, 3300024), (390, 3130792), (420, 2907164), (444, 2750020), (455, 2683536), (481, 2538480), (518, 2357160), (520, 2348094), (546, 2236280), (555, 2200016), (560, 2180373), (592, 2062515), (624, 1956745), (728, 1677210), (740, 1650012), (777, 1571440), (780, 1565396), (840, 1453582), (888, 1375010), (910, 1341768), (962, 1269240), (1036, 1178580), (1040, 1174047), (1092, 1118140), (1110, 1100008), (1295, 942864), (1365, 894512), (1443, 846160), (1456, 838605), (1480, 825006), (1511, 808080), (1554, 785720), (1560, 782698), (1680, 726791), (1776, 687505), (1820, 670884), (1924, 634620), (2072, 589290), (2184, 559070), (2220, 550004), (2405, 507696), (2590, 471432), (2730, 447256), (2886, 423080), (2960, 412503), (3022, 404040), (3108, 392860), (3120, 391349), (3367, 362640), (3640, 335442), (3848, 317310), (3885, 314288), (4144, 294645), (4368, 279535), (4440, 275002), (4533, 269360), (4810, 253848), (5180, 235716), (5460, 223628), (5772, 211540), (6044, 202020), (6216, 196430), (6734, 181320), (7215, 169232), (7280, 167721), (7555, 161616), (7696, 158655), (7770, 157144), (8880, 137501), (9066, 134680), (9620, 126924), (10101, 120880), (10360, 117858), (10577, 115440), (10920, 111814), (11544, 105770), (12088, 101010), (12432, 98215), (13468, 90660), (14430, 84616), (15110, 80808), (15540, 78572), (16835, 72528), (18132, 67340), (19240, 63462), (19643, 62160), (20202, 60440), (20720, 58929), (21154, 57720), (21840, 55907), (22665, 53872), (23088, 52885), (24176, 50505), (26936, 45330), (28860, 42308), (30220, 40404), (31080, 39286), (31731, 38480), (33670, 36264)]