65781456

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 184154880

約数和(自身を除く): 118373424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 271, 312, 389, 542, 624, 778, 813, 1084, 1167, 1556, 1626, 2168, 2334, 3112, 3252, 3523, 4336, 4668, 5057, 6224, 6504, 7046, 9336, 10114, 10569, 13008, 14092, 15171, 18672, 20228, 21138, 28184, 30342, 40456, 42276, 56368, 60684, 80912, 84552, 105419, 121368, 169104, 210838, 242736, 316257, 421676, 632514, 843352, 1265028, 1370447, 1686704, 2530056, 2740894, 4111341, 5060112, 5481788, 8222682, 10963576, 16445364, 21927152, 32890728, 65781456]

約数ペア:

[(1, 65781456), (2, 32890728), (3, 21927152), (4, 16445364), (6, 10963576), (8, 8222682), (12, 5481788), (13, 5060112), (16, 4111341), (24, 2740894), (26, 2530056), (39, 1686704), (48, 1370447), (52, 1265028), (78, 843352), (104, 632514), (156, 421676), (208, 316257), (271, 242736), (312, 210838), (389, 169104), (542, 121368), (624, 105419), (778, 84552), (813, 80912), (1084, 60684), (1167, 56368), (1556, 42276), (1626, 40456), (2168, 30342), (2334, 28184), (3112, 21138), (3252, 20228), (3523, 18672), (4336, 15171), (4668, 14092), (5057, 13008), (6224, 10569), (6504, 10114), (7046, 9336)]