15678940400

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{331}}^1\times {\mathrm{1499}}^1$

素因数の和:1927

約数の個数: 120

約数和(自身を含む): 38286240000

約数和(自身を除く): 22607299600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 331, 395, 400, 632, 662, 790, 1264, 1324, 1499, 1580, 1655, 1975, 2648, 2998, 3160, 3310, 3950, 5296, 5996, 6320, 6620, 7495, 7900, 8275, 11992, 13240, 14990, 15800, 16550, 23984, 26149, 26480, 29980, 31600, 33100, 37475, 52298, 59960, 66200, 74950, 104596, 118421, 119920, 130745, 132400, 149900, 209192, 236842, 261490, 299800, 418384, 473684, 496169, 522980, 592105, 599600, 653725, 947368, 992338, 1045960, 1184210, 1307450, 1894736, 1984676, 2091920, 2368420, 2480845, 2614900, 2960525, 3969352, 4736840, 4961690, 5229800, 5921050, 7938704, 9473680, 9923380, 10459600, 11842100, 12404225, 19846760, 23684200, 24808450, 39197351, 39693520, 47368400, 49616900, 78394702, 99233800, 156789404, 195986755, 198467600, 313578808, 391973510, 627157616, 783947020, 979933775, 1567894040, 1959867550, 3135788080, 3919735100, 7839470200, 15678940400]

約数ペア:

[(1, 15678940400), (2, 7839470200), (4, 3919735100), (5, 3135788080), (8, 1959867550), (10, 1567894040), (16, 979933775), (20, 783947020), (25, 627157616), (40, 391973510), (50, 313578808), (79, 198467600), (80, 195986755), (100, 156789404), (158, 99233800), (200, 78394702), (316, 49616900), (331, 47368400), (395, 39693520), (400, 39197351), (632, 24808450), (662, 23684200), (790, 19846760), (1264, 12404225), (1324, 11842100), (1499, 10459600), (1580, 9923380), (1655, 9473680), (1975, 7938704), (2648, 5921050), (2998, 5229800), (3160, 4961690), (3310, 4736840), (3950, 3969352), (5296, 2960525), (5996, 2614900), (6320, 2480845), (6620, 2368420), (7495, 2091920), (7900, 1984676), (8275, 1894736), (11992, 1307450), (13240, 1184210), (14990, 1045960), (15800, 992338), (16550, 947368), (23984, 653725), (26149, 599600), (26480, 592105), (29980, 522980), (31600, 496169), (33100, 473684), (37475, 418384), (52298, 299800), (59960, 261490), (66200, 236842), (74950, 209192), (104596, 149900), (118421, 132400), (119920, 130745)]