75195920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:904

約数の個数: 80

約数和(自身を含む): 187279680

約数和(自身を除く): 112083760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 610, 760, 811, 976, 1159, 1220, 1520, 1622, 2318, 2440, 3244, 4055, 4636, 4880, 5795, 6488, 8110, 9272, 11590, 12976, 15409, 16220, 18544, 23180, 30818, 32440, 46360, 49471, 61636, 64880, 77045, 92720, 98942, 123272, 154090, 197884, 246544, 247355, 308180, 395768, 494710, 616360, 791536, 939949, 989420, 1232720, 1879898, 1978840, 3759796, 3957680, 4699745, 7519592, 9399490, 15039184, 18798980, 37597960, 75195920]

約数ペア:

[(1, 75195920), (2, 37597960), (4, 18798980), (5, 15039184), (8, 9399490), (10, 7519592), (16, 4699745), (19, 3957680), (20, 3759796), (38, 1978840), (40, 1879898), (61, 1232720), (76, 989420), (80, 939949), (95, 791536), (122, 616360), (152, 494710), (190, 395768), (244, 308180), (304, 247355), (305, 246544), (380, 197884), (488, 154090), (610, 123272), (760, 98942), (811, 92720), (976, 77045), (1159, 64880), (1220, 61636), (1520, 49471), (1622, 46360), (2318, 32440), (2440, 30818), (3244, 23180), (4055, 18544), (4636, 16220), (4880, 15409), (5795, 12976), (6488, 11590), (8110, 9272)]