8138240

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:68

約数の個数: 120

約数和(自身を含む): 22612392

約数和(自身を除く): 14474152

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 256, 272, 289, 320, 340, 352, 374, 440, 512, 544, 578, 640, 680, 704, 748, 880, 935, 1088, 1156, 1280, 1360, 1408, 1445, 1496, 1760, 1870, 2176, 2312, 2560, 2720, 2816, 2890, 2992, 3179, 3520, 3740, 4352, 4624, 5440, 5632, 5780, 5984, 6358, 7040, 7480, 8704, 9248, 10880, 11560, 11968, 12716, 14080, 14960, 15895, 18496, 21760, 23120, 23936, 25432, 28160, 29920, 31790, 36992, 43520, 46240, 47872, 50864, 59840, 63580, 73984, 92480, 95744, 101728, 119680, 127160, 147968, 184960, 203456, 239360, 254320, 369920, 406912, 478720, 508640, 739840, 813824, 1017280, 1627648, 2034560, 4069120, 8138240]

約数ペア:

[(1, 8138240), (2, 4069120), (4, 2034560), (5, 1627648), (8, 1017280), (10, 813824), (11, 739840), (16, 508640), (17, 478720), (20, 406912), (22, 369920), (32, 254320), (34, 239360), (40, 203456), (44, 184960), (55, 147968), (64, 127160), (68, 119680), (80, 101728), (85, 95744), (88, 92480), (110, 73984), (128, 63580), (136, 59840), (160, 50864), (170, 47872), (176, 46240), (187, 43520), (220, 36992), (256, 31790), (272, 29920), (289, 28160), (320, 25432), (340, 23936), (352, 23120), (374, 21760), (440, 18496), (512, 15895), (544, 14960), (578, 14080), (640, 12716), (680, 11968), (704, 11560), (748, 10880), (880, 9248), (935, 8704), (1088, 7480), (1156, 7040), (1280, 6358), (1360, 5984), (1408, 5780), (1445, 5632), (1496, 5440), (1760, 4624), (1870, 4352), (2176, 3740), (2312, 3520), (2560, 3179), (2720, 2992), (2816, 2890)]