82457700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21143}}^1$

素因数の和:21173

約数の個数: 72

約数和(自身を含む): 256941888

約数和(自身を除く): 174484188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 21143, 42286, 63429, 84572, 105715, 126858, 211430, 253716, 274859, 317145, 422860, 528575, 549718, 634290, 824577, 1057150, 1099436, 1268580, 1374295, 1585725, 1649154, 2114300, 2748590, 3171450, 3298308, 4122885, 5497180, 6342900, 6871475, 8245770, 13742950, 16491540, 20614425, 27485900, 41228850, 82457700]

約数ペア:

[(1, 82457700), (2, 41228850), (3, 27485900), (4, 20614425), (5, 16491540), (6, 13742950), (10, 8245770), (12, 6871475), (13, 6342900), (15, 5497180), (20, 4122885), (25, 3298308), (26, 3171450), (30, 2748590), (39, 2114300), (50, 1649154), (52, 1585725), (60, 1374295), (65, 1268580), (75, 1099436), (78, 1057150), (100, 824577), (130, 634290), (150, 549718), (156, 528575), (195, 422860), (260, 317145), (300, 274859), (325, 253716), (390, 211430), (650, 126858), (780, 105715), (975, 84572), (1300, 63429), (1950, 42286), (3900, 21143)]