15870000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{23}}^2$

素因数の和:77

約数の個数: 150

約数和(自身を含む): 53554732

約数和(自身を除く): 37684732

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 40, 46, 48, 50, 60, 69, 75, 80, 92, 100, 115, 120, 125, 138, 150, 184, 200, 230, 240, 250, 276, 300, 345, 368, 375, 400, 460, 500, 529, 552, 575, 600, 625, 690, 750, 920, 1000, 1058, 1104, 1150, 1200, 1250, 1380, 1500, 1587, 1725, 1840, 1875, 2000, 2116, 2300, 2500, 2645, 2760, 2875, 3000, 3174, 3450, 3750, 4232, 4600, 5000, 5290, 5520, 5750, 6000, 6348, 6900, 7500, 7935, 8464, 8625, 9200, 10000, 10580, 11500, 12696, 13225, 13800, 14375, 15000, 15870, 17250, 21160, 23000, 25392, 26450, 27600, 28750, 30000, 31740, 34500, 39675, 42320, 43125, 46000, 52900, 57500, 63480, 66125, 69000, 79350, 86250, 105800, 115000, 126960, 132250, 138000, 158700, 172500, 198375, 211600, 230000, 264500, 317400, 330625, 345000, 396750, 529000, 634800, 661250, 690000, 793500, 991875, 1058000, 1322500, 1587000, 1983750, 2645000, 3174000, 3967500, 5290000, 7935000, 15870000]

約数ペア:

[(1, 15870000), (2, 7935000), (3, 5290000), (4, 3967500), (5, 3174000), (6, 2645000), (8, 1983750), (10, 1587000), (12, 1322500), (15, 1058000), (16, 991875), (20, 793500), (23, 690000), (24, 661250), (25, 634800), (30, 529000), (40, 396750), (46, 345000), (48, 330625), (50, 317400), (60, 264500), (69, 230000), (75, 211600), (80, 198375), (92, 172500), (100, 158700), (115, 138000), (120, 132250), (125, 126960), (138, 115000), (150, 105800), (184, 86250), (200, 79350), (230, 69000), (240, 66125), (250, 63480), (276, 57500), (300, 52900), (345, 46000), (368, 43125), (375, 42320), (400, 39675), (460, 34500), (500, 31740), (529, 30000), (552, 28750), (575, 27600), (600, 26450), (625, 25392), (690, 23000), (750, 21160), (920, 17250), (1000, 15870), (1058, 15000), (1104, 14375), (1150, 13800), (1200, 13225), (1250, 12696), (1380, 11500), (1500, 10580), (1587, 10000), (1725, 9200), (1840, 8625), (1875, 8464), (2000, 7935), (2116, 7500), (2300, 6900), (2500, 6348), (2645, 6000), (2760, 5750), (2875, 5520), (3000, 5290), (3174, 5000), (3450, 4600), (3750, 4232)]