1264291280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{25367}}^1$

素因数の和:25476

約数の個数: 80

約数和(自身を含む): 3397282560

約数和(自身を除く): 2132991280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 3115, 3560, 4984, 6230, 7120, 9968, 12460, 24920, 25367, 49840, 50734, 101468, 126835, 177569, 202936, 253670, 355138, 405872, 507340, 710276, 887845, 1014680, 1420552, 1775690, 2029360, 2257663, 2841104, 3551380, 4515326, 7102760, 9030652, 11288315, 14205520, 15803641, 18061304, 22576630, 31607282, 36122608, 45153260, 63214564, 79018205, 90306520, 126429128, 158036410, 180613040, 252858256, 316072820, 632145640, 1264291280]

約数ペア:

[(1, 1264291280), (2, 632145640), (4, 316072820), (5, 252858256), (7, 180613040), (8, 158036410), (10, 126429128), (14, 90306520), (16, 79018205), (20, 63214564), (28, 45153260), (35, 36122608), (40, 31607282), (56, 22576630), (70, 18061304), (80, 15803641), (89, 14205520), (112, 11288315), (140, 9030652), (178, 7102760), (280, 4515326), (356, 3551380), (445, 2841104), (560, 2257663), (623, 2029360), (712, 1775690), (890, 1420552), (1246, 1014680), (1424, 887845), (1780, 710276), (2492, 507340), (3115, 405872), (3560, 355138), (4984, 253670), (6230, 202936), (7120, 177569), (9968, 126835), (12460, 101468), (24920, 50734), (25367, 49840)]