319762520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:274

約数の個数: 256

約数和(自身を含む): 985374720

約数和(自身を除く): 665612200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 31, 34, 35, 40, 44, 55, 56, 62, 68, 70, 77, 85, 88, 110, 119, 124, 136, 140, 154, 155, 170, 187, 197, 217, 220, 238, 248, 280, 308, 310, 340, 341, 374, 385, 394, 434, 440, 476, 527, 595, 616, 620, 680, 682, 748, 770, 788, 868, 935, 952, 985, 1054, 1085, 1190, 1240, 1309, 1364, 1379, 1496, 1540, 1576, 1705, 1736, 1870, 1970, 2108, 2167, 2170, 2380, 2387, 2618, 2635, 2728, 2758, 3080, 3349, 3410, 3689, 3740, 3940, 4216, 4334, 4340, 4760, 4774, 5236, 5270, 5516, 5797, 6107, 6545, 6698, 6820, 6895, 7378, 7480, 7880, 8668, 8680, 9548, 10472, 10540, 10835, 11032, 11594, 11935, 12214, 13090, 13396, 13640, 13790, 14756, 15169, 16745, 17336, 18445, 19096, 21080, 21670, 23188, 23443, 23870, 24428, 26180, 26792, 27580, 28985, 29512, 30338, 30535, 33490, 36839, 36890, 40579, 42749, 43340, 46376, 46886, 47740, 48856, 52360, 55160, 57970, 60676, 61070, 66980, 67177, 73678, 73780, 75845, 81158, 85498, 86680, 93772, 95480, 103819, 115940, 117215, 121352, 122140, 133960, 134354, 147356, 147560, 151690, 162316, 170996, 184195, 187544, 202895, 207638, 213745, 231880, 234430, 244280, 257873, 268708, 294712, 303380, 324632, 335885, 341992, 368390, 405790, 415276, 427490, 468860, 470239, 515746, 519095, 537416, 606760, 671770, 726733, 736780, 811580, 830552, 854980, 937720, 940478, 1031492, 1038190, 1142009, 1289365, 1343540, 1453466, 1473560, 1623160, 1709960, 1880956, 2062984, 2076380, 2284018, 2351195, 2578730, 2687080, 2906932, 3633665, 3761912, 4152760, 4568036, 4702390, 5157460, 5710045, 5813864, 7267330, 7994063, 9136072, 9404780, 10314920, 11420090, 14534660, 15988126, 18809560, 22840180, 29069320, 31976252, 39970315, 45680360, 63952504, 79940630, 159881260, 319762520]

約数ペア:

[(1, 319762520), (2, 159881260), (4, 79940630), (5, 63952504), (7, 45680360), (8, 39970315), (10, 31976252), (11, 29069320), (14, 22840180), (17, 18809560), (20, 15988126), (22, 14534660), (28, 11420090), (31, 10314920), (34, 9404780), (35, 9136072), (40, 7994063), (44, 7267330), (55, 5813864), (56, 5710045), (62, 5157460), (68, 4702390), (70, 4568036), (77, 4152760), (85, 3761912), (88, 3633665), (110, 2906932), (119, 2687080), (124, 2578730), (136, 2351195), (140, 2284018), (154, 2076380), (155, 2062984), (170, 1880956), (187, 1709960), (197, 1623160), (217, 1473560), (220, 1453466), (238, 1343540), (248, 1289365), (280, 1142009), (308, 1038190), (310, 1031492), (340, 940478), (341, 937720), (374, 854980), (385, 830552), (394, 811580), (434, 736780), (440, 726733), (476, 671770), (527, 606760), (595, 537416), (616, 519095), (620, 515746), (680, 470239), (682, 468860), (748, 427490), (770, 415276), (788, 405790), (868, 368390), (935, 341992), (952, 335885), (985, 324632), (1054, 303380), (1085, 294712), (1190, 268708), (1240, 257873), (1309, 244280), (1364, 234430), (1379, 231880), (1496, 213745), (1540, 207638), (1576, 202895), (1705, 187544), (1736, 184195), (1870, 170996), (1970, 162316), (2108, 151690), (2167, 147560), (2170, 147356), (2380, 134354), (2387, 133960), (2618, 122140), (2635, 121352), (2728, 117215), (2758, 115940), (3080, 103819), (3349, 95480), (3410, 93772), (3689, 86680), (3740, 85498), (3940, 81158), (4216, 75845), (4334, 73780), (4340, 73678), (4760, 67177), (4774, 66980), (5236, 61070), (5270, 60676), (5516, 57970), (5797, 55160), (6107, 52360), (6545, 48856), (6698, 47740), (6820, 46886), (6895, 46376), (7378, 43340), (7480, 42749), (7880, 40579), (8668, 36890), (8680, 36839), (9548, 33490), (10472, 30535), (10540, 30338), (10835, 29512), (11032, 28985), (11594, 27580), (11935, 26792), (12214, 26180), (13090, 24428), (13396, 23870), (13640, 23443), (13790, 23188), (14756, 21670), (15169, 21080), (16745, 19096), (17336, 18445)]