21970359680

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{349}}^1$

素因数の和:585

約数の個数: 256

約数和(自身を含む): 57576960000

約数和(自身を除く): 35606600320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 167, 190, 248, 304, 310, 320, 334, 349, 380, 496, 589, 608, 620, 640, 668, 698, 760, 835, 992, 1178, 1216, 1240, 1336, 1396, 1520, 1670, 1745, 1984, 2356, 2432, 2480, 2672, 2792, 2945, 3040, 3173, 3340, 3490, 3968, 4712, 4960, 5177, 5344, 5584, 5890, 6080, 6346, 6631, 6680, 6980, 9424, 9920, 10354, 10688, 10819, 11168, 11780, 12160, 12692, 13262, 13360, 13960, 15865, 18848, 19840, 20708, 21376, 21638, 22336, 23560, 25384, 25885, 26524, 26720, 27920, 31730, 33155, 37696, 41416, 43276, 44672, 47120, 50768, 51770, 53048, 53440, 54095, 55840, 58283, 63460, 66310, 75392, 82832, 86552, 94240, 98363, 101536, 103540, 106096, 106880, 108190, 111680, 116566, 126920, 132620, 165664, 173104, 188480, 196726, 203072, 205561, 207080, 212192, 216380, 223360, 233132, 253840, 265240, 291415, 331328, 346208, 376960, 393452, 406144, 411122, 414160, 424384, 432760, 466264, 491815, 507680, 530480, 582830, 662656, 692416, 786904, 822244, 828320, 848768, 865520, 932528, 983630, 1015360, 1027805, 1060960, 1107377, 1165660, 1384832, 1573808, 1644488, 1656640, 1731040, 1806773, 1865056, 1967260, 2030720, 2055610, 2121920, 2214754, 2331320, 3147616, 3288976, 3313280, 3462080, 3613546, 3730112, 3934520, 4111220, 4243840, 4429508, 4662640, 5536885, 6295232, 6577952, 6924160, 7227092, 7460224, 7869040, 8222440, 8859016, 9033865, 9325280, 11073770, 12590464, 13155904, 14454184, 15738080, 16444880, 17718032, 18067730, 18650560, 22147540, 26311808, 28908368, 31476160, 32889760, 34328687, 35436064, 36135460, 37301120, 44295080, 57816736, 62952320, 65779520, 68657374, 70872128, 72270920, 88590160, 115633472, 131559040, 137314748, 141744256, 144541840, 171643435, 177180320, 231266944, 274629496, 289083680, 343286870, 354360640, 549258992, 578167360, 686573740, 708721280, 1098517984, 1156334720, 1373147480, 2197035968, 2746294960, 4394071936, 5492589920, 10985179840, 21970359680]

約数ペア:

[(1, 21970359680), (2, 10985179840), (4, 5492589920), (5, 4394071936), (8, 2746294960), (10, 2197035968), (16, 1373147480), (19, 1156334720), (20, 1098517984), (31, 708721280), (32, 686573740), (38, 578167360), (40, 549258992), (62, 354360640), (64, 343286870), (76, 289083680), (80, 274629496), (95, 231266944), (124, 177180320), (128, 171643435), (152, 144541840), (155, 141744256), (160, 137314748), (167, 131559040), (190, 115633472), (248, 88590160), (304, 72270920), (310, 70872128), (320, 68657374), (334, 65779520), (349, 62952320), (380, 57816736), (496, 44295080), (589, 37301120), (608, 36135460), (620, 35436064), (640, 34328687), (668, 32889760), (698, 31476160), (760, 28908368), (835, 26311808), (992, 22147540), (1178, 18650560), (1216, 18067730), (1240, 17718032), (1336, 16444880), (1396, 15738080), (1520, 14454184), (1670, 13155904), (1745, 12590464), (1984, 11073770), (2356, 9325280), (2432, 9033865), (2480, 8859016), (2672, 8222440), (2792, 7869040), (2945, 7460224), (3040, 7227092), (3173, 6924160), (3340, 6577952), (3490, 6295232), (3968, 5536885), (4712, 4662640), (4960, 4429508), (5177, 4243840), (5344, 4111220), (5584, 3934520), (5890, 3730112), (6080, 3613546), (6346, 3462080), (6631, 3313280), (6680, 3288976), (6980, 3147616), (9424, 2331320), (9920, 2214754), (10354, 2121920), (10688, 2055610), (10819, 2030720), (11168, 1967260), (11780, 1865056), (12160, 1806773), (12692, 1731040), (13262, 1656640), (13360, 1644488), (13960, 1573808), (15865, 1384832), (18848, 1165660), (19840, 1107377), (20708, 1060960), (21376, 1027805), (21638, 1015360), (22336, 983630), (23560, 932528), (25384, 865520), (25885, 848768), (26524, 828320), (26720, 822244), (27920, 786904), (31730, 692416), (33155, 662656), (37696, 582830), (41416, 530480), (43276, 507680), (44672, 491815), (47120, 466264), (50768, 432760), (51770, 424384), (53048, 414160), (53440, 411122), (54095, 406144), (55840, 393452), (58283, 376960), (63460, 346208), (66310, 331328), (75392, 291415), (82832, 265240), (86552, 253840), (94240, 233132), (98363, 223360), (101536, 216380), (103540, 212192), (106096, 207080), (106880, 205561), (108190, 203072), (111680, 196726), (116566, 188480), (126920, 173104), (132620, 165664)]