64818272

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 72

約数和(自身を含む): 139793472

約数和(自身を除く): 74975200

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 181, 248, 304, 361, 362, 496, 589, 608, 722, 724, 992, 1178, 1444, 1448, 2356, 2888, 2896, 3439, 4712, 5611, 5776, 5792, 6878, 9424, 11191, 11222, 11552, 13756, 18848, 22382, 22444, 27512, 44764, 44888, 55024, 65341, 89528, 89776, 106609, 110048, 130682, 179056, 179552, 213218, 261364, 358112, 426436, 522728, 852872, 1045456, 1705744, 2025571, 2090912, 3411488, 4051142, 8102284, 16204568, 32409136, 64818272]

約数ペア:

[(1, 64818272), (2, 32409136), (4, 16204568), (8, 8102284), (16, 4051142), (19, 3411488), (31, 2090912), (32, 2025571), (38, 1705744), (62, 1045456), (76, 852872), (124, 522728), (152, 426436), (181, 358112), (248, 261364), (304, 213218), (361, 179552), (362, 179056), (496, 130682), (589, 110048), (608, 106609), (722, 89776), (724, 89528), (992, 65341), (1178, 55024), (1444, 44888), (1448, 44764), (2356, 27512), (2888, 22444), (2896, 22382), (3439, 18848), (4712, 13756), (5611, 11552), (5776, 11222), (5792, 11191), (6878, 9424)]