31402500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 94469760

約数和(自身を除く): 63067260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 53, 60, 75, 79, 100, 106, 125, 150, 158, 159, 212, 237, 250, 265, 300, 316, 318, 375, 395, 474, 500, 530, 625, 636, 750, 790, 795, 948, 1060, 1185, 1250, 1325, 1500, 1580, 1590, 1875, 1975, 2370, 2500, 2650, 3180, 3750, 3950, 3975, 4187, 4740, 5300, 5925, 6625, 7500, 7900, 7950, 8374, 9875, 11850, 12561, 13250, 15900, 16748, 19750, 19875, 20935, 23700, 25122, 26500, 29625, 33125, 39500, 39750, 41870, 49375, 50244, 59250, 62805, 66250, 79500, 83740, 98750, 99375, 104675, 118500, 125610, 132500, 148125, 197500, 198750, 209350, 251220, 296250, 314025, 397500, 418700, 523375, 592500, 628050, 1046750, 1256100, 1570125, 2093500, 2616875, 3140250, 5233750, 6280500, 7850625, 10467500, 15701250, 31402500]

約数ペア:

[(1, 31402500), (2, 15701250), (3, 10467500), (4, 7850625), (5, 6280500), (6, 5233750), (10, 3140250), (12, 2616875), (15, 2093500), (20, 1570125), (25, 1256100), (30, 1046750), (50, 628050), (53, 592500), (60, 523375), (75, 418700), (79, 397500), (100, 314025), (106, 296250), (125, 251220), (150, 209350), (158, 198750), (159, 197500), (212, 148125), (237, 132500), (250, 125610), (265, 118500), (300, 104675), (316, 99375), (318, 98750), (375, 83740), (395, 79500), (474, 66250), (500, 62805), (530, 59250), (625, 50244), (636, 49375), (750, 41870), (790, 39750), (795, 39500), (948, 33125), (1060, 29625), (1185, 26500), (1250, 25122), (1325, 23700), (1500, 20935), (1580, 19875), (1590, 19750), (1875, 16748), (1975, 15900), (2370, 13250), (2500, 12561), (2650, 11850), (3180, 9875), (3750, 8374), (3950, 7950), (3975, 7900), (4187, 7500), (4740, 6625), (5300, 5925)]