81475560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13313}}^1$

素因数の和:13347

約数の個数: 96

約数和(自身を含む): 280392840

約数和(自身を除く): 198917280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 13313, 26626, 39939, 53252, 66565, 79878, 106504, 119817, 133130, 159756, 199695, 226321, 239634, 266260, 319512, 399390, 452642, 479268, 532520, 599085, 678963, 798780, 905284, 958536, 1131605, 1198170, 1357926, 1597560, 1810568, 2036889, 2263210, 2396340, 2715852, 3394815, 4073778, 4526420, 4792680, 5431704, 6789630, 8147556, 9052840, 10184445, 13579260, 16295112, 20368890, 27158520, 40737780, 81475560]

約数ペア:

[(1, 81475560), (2, 40737780), (3, 27158520), (4, 20368890), (5, 16295112), (6, 13579260), (8, 10184445), (9, 9052840), (10, 8147556), (12, 6789630), (15, 5431704), (17, 4792680), (18, 4526420), (20, 4073778), (24, 3394815), (30, 2715852), (34, 2396340), (36, 2263210), (40, 2036889), (45, 1810568), (51, 1597560), (60, 1357926), (68, 1198170), (72, 1131605), (85, 958536), (90, 905284), (102, 798780), (120, 678963), (136, 599085), (153, 532520), (170, 479268), (180, 452642), (204, 399390), (255, 319512), (306, 266260), (340, 239634), (360, 226321), (408, 199695), (510, 159756), (612, 133130), (680, 119817), (765, 106504), (1020, 79878), (1224, 66565), (1530, 53252), (2040, 39939), (3060, 26626), (6120, 13313)]