74712375

素因数分解:

$3^4\times 5^3\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 80

約数和(自身を含む): 143155584

約数和(自身を除く): 68443209

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 81, 125, 135, 141, 157, 225, 235, 375, 405, 423, 471, 675, 705, 785, 1125, 1175, 1269, 1413, 2025, 2115, 2355, 3375, 3525, 3807, 3925, 4239, 5875, 6345, 7065, 7379, 10125, 10575, 11775, 12717, 17625, 19035, 19625, 21195, 22137, 31725, 35325, 36895, 52875, 58875, 63585, 66411, 95175, 105975, 110685, 158625, 176625, 184475, 199233, 317925, 332055, 475875, 529875, 553425, 597699, 922375, 996165, 1589625, 1660275, 2767125, 2988495, 4980825, 8301375, 14942475, 24904125, 74712375]

約数ペア:

[(1, 74712375), (3, 24904125), (5, 14942475), (9, 8301375), (15, 4980825), (25, 2988495), (27, 2767125), (45, 1660275), (47, 1589625), (75, 996165), (81, 922375), (125, 597699), (135, 553425), (141, 529875), (157, 475875), (225, 332055), (235, 317925), (375, 199233), (405, 184475), (423, 176625), (471, 158625), (675, 110685), (705, 105975), (785, 95175), (1125, 66411), (1175, 63585), (1269, 58875), (1413, 52875), (2025, 36895), (2115, 35325), (2355, 31725), (3375, 22137), (3525, 21195), (3807, 19625), (3925, 19035), (4239, 17625), (5875, 12717), (6345, 11775), (7065, 10575), (7379, 10125)]