172925440

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2233

約数の個数: 80

約数和(自身を含む): 428186880

約数和(自身を除く): 255261440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2179, 2480, 2560, 3968, 4358, 4960, 7936, 8716, 9920, 10895, 15872, 17432, 19840, 21790, 34864, 39680, 43580, 67549, 69728, 79360, 87160, 135098, 139456, 174320, 270196, 278912, 337745, 348640, 540392, 557824, 675490, 697280, 1080784, 1115648, 1350980, 1394560, 2161568, 2701960, 2789120, 4323136, 5403920, 5578240, 8646272, 10807840, 17292544, 21615680, 34585088, 43231360, 86462720, 172925440]

約数ペア:

[(1, 172925440), (2, 86462720), (4, 43231360), (5, 34585088), (8, 21615680), (10, 17292544), (16, 10807840), (20, 8646272), (31, 5578240), (32, 5403920), (40, 4323136), (62, 2789120), (64, 2701960), (80, 2161568), (124, 1394560), (128, 1350980), (155, 1115648), (160, 1080784), (248, 697280), (256, 675490), (310, 557824), (320, 540392), (496, 348640), (512, 337745), (620, 278912), (640, 270196), (992, 174320), (1240, 139456), (1280, 135098), (1984, 87160), (2179, 79360), (2480, 69728), (2560, 67549), (3968, 43580), (4358, 39680), (4960, 34864), (7936, 21790), (8716, 19840), (9920, 17432), (10895, 15872)]