1268620240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:389

約数の個数: 160

約数和(自身を含む): 3239792640

約数和(自身を除く): 1971172400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 89, 94, 136, 170, 178, 188, 223, 235, 272, 340, 356, 376, 445, 446, 470, 680, 712, 752, 799, 890, 892, 940, 1115, 1360, 1424, 1513, 1598, 1780, 1784, 1880, 2230, 3026, 3196, 3560, 3568, 3760, 3791, 3995, 4183, 4460, 6052, 6392, 7120, 7565, 7582, 7990, 8366, 8920, 10481, 12104, 12784, 15130, 15164, 15980, 16732, 17840, 18955, 19847, 20915, 20962, 24208, 30260, 30328, 31960, 33464, 37910, 39694, 41830, 41924, 52405, 60520, 60656, 63920, 66928, 71111, 75820, 79388, 83660, 83848, 99235, 104810, 121040, 142222, 151640, 158776, 167320, 167696, 178177, 198470, 209620, 284444, 303280, 317552, 334640, 337399, 355555, 356354, 396940, 419240, 568888, 674798, 711110, 712708, 793880, 838480, 890885, 932809, 1137776, 1349596, 1422220, 1425416, 1587760, 1686995, 1781770, 1865618, 2699192, 2844440, 2850832, 3373990, 3563540, 3731236, 4664045, 5398384, 5688880, 6747980, 7127080, 7462472, 9328090, 13495960, 14254160, 14924944, 15857753, 18656180, 26991920, 31715506, 37312360, 63431012, 74624720, 79288765, 126862024, 158577530, 253724048, 317155060, 634310120, 1268620240]

約数ペア:

[(1, 1268620240), (2, 634310120), (4, 317155060), (5, 253724048), (8, 158577530), (10, 126862024), (16, 79288765), (17, 74624720), (20, 63431012), (34, 37312360), (40, 31715506), (47, 26991920), (68, 18656180), (80, 15857753), (85, 14924944), (89, 14254160), (94, 13495960), (136, 9328090), (170, 7462472), (178, 7127080), (188, 6747980), (223, 5688880), (235, 5398384), (272, 4664045), (340, 3731236), (356, 3563540), (376, 3373990), (445, 2850832), (446, 2844440), (470, 2699192), (680, 1865618), (712, 1781770), (752, 1686995), (799, 1587760), (890, 1425416), (892, 1422220), (940, 1349596), (1115, 1137776), (1360, 932809), (1424, 890885), (1513, 838480), (1598, 793880), (1780, 712708), (1784, 711110), (1880, 674798), (2230, 568888), (3026, 419240), (3196, 396940), (3560, 356354), (3568, 355555), (3760, 337399), (3791, 334640), (3995, 317552), (4183, 303280), (4460, 284444), (6052, 209620), (6392, 198470), (7120, 178177), (7565, 167696), (7582, 167320), (7990, 158776), (8366, 151640), (8920, 142222), (10481, 121040), (12104, 104810), (12784, 99235), (15130, 83848), (15164, 83660), (15980, 79388), (16732, 75820), (17840, 71111), (18955, 66928), (19847, 63920), (20915, 60656), (20962, 60520), (24208, 52405), (30260, 41924), (30328, 41830), (31960, 39694), (33464, 37910)]