31873928680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1\times {\mathrm{2551}}^1$

素因数の和:3035

約数の個数: 128

約数和(自身を含む): 79542777600

約数和(自身を除く): 47668848920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 389, 440, 584, 730, 778, 803, 1460, 1556, 1606, 1945, 2551, 2920, 3112, 3212, 3890, 4015, 4279, 5102, 6424, 7780, 8030, 8558, 10204, 12755, 15560, 16060, 17116, 20408, 21395, 25510, 28061, 28397, 32120, 34232, 42790, 51020, 56122, 56794, 85580, 102040, 112244, 113588, 140305, 141985, 171160, 186223, 224488, 227176, 280610, 283970, 312367, 372446, 561220, 567940, 624734, 744892, 931115, 992339, 1122440, 1135880, 1249468, 1489784, 1561835, 1862230, 1984678, 2048453, 2498936, 3123670, 3724460, 3969356, 4096906, 4961695, 6247340, 7448920, 7938712, 8193812, 9923390, 10242265, 10915729, 12494680, 16387624, 19846780, 20484530, 21831458, 39693560, 40969060, 43662916, 54578645, 72440747, 81938120, 87325832, 109157290, 144881494, 218314580, 289762988, 362203735, 436629160, 579525976, 724407470, 796848217, 1448814940, 1593696434, 2897629880, 3187392868, 3984241085, 6374785736, 7968482170, 15936964340, 31873928680]

約数ペア:

[(1, 31873928680), (2, 15936964340), (4, 7968482170), (5, 6374785736), (8, 3984241085), (10, 3187392868), (11, 2897629880), (20, 1593696434), (22, 1448814940), (40, 796848217), (44, 724407470), (55, 579525976), (73, 436629160), (88, 362203735), (110, 289762988), (146, 218314580), (220, 144881494), (292, 109157290), (365, 87325832), (389, 81938120), (440, 72440747), (584, 54578645), (730, 43662916), (778, 40969060), (803, 39693560), (1460, 21831458), (1556, 20484530), (1606, 19846780), (1945, 16387624), (2551, 12494680), (2920, 10915729), (3112, 10242265), (3212, 9923390), (3890, 8193812), (4015, 7938712), (4279, 7448920), (5102, 6247340), (6424, 4961695), (7780, 4096906), (8030, 3969356), (8558, 3724460), (10204, 3123670), (12755, 2498936), (15560, 2048453), (16060, 1984678), (17116, 1862230), (20408, 1561835), (21395, 1489784), (25510, 1249468), (28061, 1135880), (28397, 1122440), (32120, 992339), (34232, 931115), (42790, 744892), (51020, 624734), (56122, 567940), (56794, 561220), (85580, 372446), (102040, 312367), (112244, 283970), (113588, 280610), (140305, 227176), (141985, 224488), (171160, 186223)]