2457780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 7789824

約数和(自身を除く): 5332044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 137, 138, 156, 195, 230, 260, 274, 276, 299, 345, 390, 411, 460, 548, 598, 685, 690, 780, 822, 897, 1196, 1370, 1380, 1495, 1644, 1781, 1794, 2055, 2740, 2990, 3151, 3562, 3588, 4110, 4485, 5343, 5980, 6302, 7124, 8220, 8905, 8970, 9453, 10686, 12604, 15755, 17810, 17940, 18906, 21372, 26715, 31510, 35620, 37812, 40963, 47265, 53430, 63020, 81926, 94530, 106860, 122889, 163852, 189060, 204815, 245778, 409630, 491556, 614445, 819260, 1228890, 2457780]

約数ペア:

[(1, 2457780), (2, 1228890), (3, 819260), (4, 614445), (5, 491556), (6, 409630), (10, 245778), (12, 204815), (13, 189060), (15, 163852), (20, 122889), (23, 106860), (26, 94530), (30, 81926), (39, 63020), (46, 53430), (52, 47265), (60, 40963), (65, 37812), (69, 35620), (78, 31510), (92, 26715), (115, 21372), (130, 18906), (137, 17940), (138, 17810), (156, 15755), (195, 12604), (230, 10686), (260, 9453), (274, 8970), (276, 8905), (299, 8220), (345, 7124), (390, 6302), (411, 5980), (460, 5343), (548, 4485), (598, 4110), (685, 3588), (690, 3562), (780, 3151), (822, 2990), (897, 2740), (1196, 2055), (1370, 1794), (1380, 1781), (1495, 1644)]