78704080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:621

約数の個数: 160

約数和(自身を含む): 237484800

約数和(自身を除く): 158780720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 247, 260, 266, 280, 304, 364, 380, 455, 494, 520, 532, 560, 569, 665, 728, 760, 910, 988, 1040, 1064, 1138, 1235, 1330, 1456, 1520, 1729, 1820, 1976, 2128, 2276, 2470, 2660, 2845, 3458, 3640, 3952, 3983, 4552, 4940, 5320, 5690, 6916, 7280, 7397, 7966, 8645, 9104, 9880, 10640, 10811, 11380, 13832, 14794, 15932, 17290, 19760, 19915, 21622, 22760, 27664, 29588, 31864, 34580, 36985, 39830, 43244, 45520, 51779, 54055, 59176, 63728, 69160, 73970, 75677, 79660, 86488, 103558, 108110, 118352, 138320, 140543, 147940, 151354, 159320, 172976, 207116, 216220, 258895, 281086, 295880, 302708, 318640, 378385, 414232, 432440, 517790, 562172, 591760, 605416, 702715, 756770, 828464, 864880, 983801, 1035580, 1124344, 1210832, 1405430, 1513540, 1967602, 2071160, 2248688, 2810860, 3027080, 3935204, 4142320, 4919005, 5621720, 6054160, 7870408, 9838010, 11243440, 15740816, 19676020, 39352040, 78704080]

約数ペア:

[(1, 78704080), (2, 39352040), (4, 19676020), (5, 15740816), (7, 11243440), (8, 9838010), (10, 7870408), (13, 6054160), (14, 5621720), (16, 4919005), (19, 4142320), (20, 3935204), (26, 3027080), (28, 2810860), (35, 2248688), (38, 2071160), (40, 1967602), (52, 1513540), (56, 1405430), (65, 1210832), (70, 1124344), (76, 1035580), (80, 983801), (91, 864880), (95, 828464), (104, 756770), (112, 702715), (130, 605416), (133, 591760), (140, 562172), (152, 517790), (182, 432440), (190, 414232), (208, 378385), (247, 318640), (260, 302708), (266, 295880), (280, 281086), (304, 258895), (364, 216220), (380, 207116), (455, 172976), (494, 159320), (520, 151354), (532, 147940), (560, 140543), (569, 138320), (665, 118352), (728, 108110), (760, 103558), (910, 86488), (988, 79660), (1040, 75677), (1064, 73970), (1138, 69160), (1235, 63728), (1330, 59176), (1456, 54055), (1520, 51779), (1729, 45520), (1820, 43244), (1976, 39830), (2128, 36985), (2276, 34580), (2470, 31864), (2660, 29588), (2845, 27664), (3458, 22760), (3640, 21622), (3952, 19915), (3983, 19760), (4552, 17290), (4940, 15932), (5320, 14794), (5690, 13832), (6916, 11380), (7280, 10811), (7397, 10640), (7966, 9880), (8645, 9104)]