31343280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1789}}^1$

素因数の和:1878

約数の個数: 80

約数和(自身を含む): 98550240

約数和(自身を除く): 67206960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 1789, 2190, 2920, 3504, 3578, 4380, 5367, 5840, 7156, 8760, 8945, 10734, 14312, 17520, 17890, 21468, 26835, 28624, 35780, 42936, 53670, 71560, 85872, 107340, 130597, 143120, 214680, 261194, 391791, 429360, 522388, 652985, 783582, 1044776, 1305970, 1567164, 1958955, 2089552, 2611940, 3134328, 3917910, 5223880, 6268656, 7835820, 10447760, 15671640, 31343280]

約数ペア:

[(1, 31343280), (2, 15671640), (3, 10447760), (4, 7835820), (5, 6268656), (6, 5223880), (8, 3917910), (10, 3134328), (12, 2611940), (15, 2089552), (16, 1958955), (20, 1567164), (24, 1305970), (30, 1044776), (40, 783582), (48, 652985), (60, 522388), (73, 429360), (80, 391791), (120, 261194), (146, 214680), (219, 143120), (240, 130597), (292, 107340), (365, 85872), (438, 71560), (584, 53670), (730, 42936), (876, 35780), (1095, 28624), (1168, 26835), (1460, 21468), (1752, 17890), (1789, 17520), (2190, 14312), (2920, 10734), (3504, 8945), (3578, 8760), (4380, 7156), (5367, 5840)]