132451840

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1723

約数の個数: 80

約数和(自身を含む): 328014720

約数和(自身を除く): 195562880

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, 1669, 1984, 2480, 2560, 3338, 3968, 4960, 6676, 7936, 8345, 9920, 13352, 15872, 16690, 19840, 26704, 33380, 39680, 51739, 53408, 66760, 79360, 103478, 106816, 133520, 206956, 213632, 258695, 267040, 413912, 427264, 517390, 534080, 827824, 854528, 1034780, 1068160, 1655648, 2069560, 2136320, 3311296, 4139120, 4272640, 6622592, 8278240, 13245184, 16556480, 26490368, 33112960, 66225920, 132451840]

約数ペア:

[(1, 132451840), (2, 66225920), (4, 33112960), (5, 26490368), (8, 16556480), (10, 13245184), (16, 8278240), (20, 6622592), (31, 4272640), (32, 4139120), (40, 3311296), (62, 2136320), (64, 2069560), (80, 1655648), (124, 1068160), (128, 1034780), (155, 854528), (160, 827824), (248, 534080), (256, 517390), (310, 427264), (320, 413912), (496, 267040), (512, 258695), (620, 213632), (640, 206956), (992, 133520), (1240, 106816), (1280, 103478), (1669, 79360), (1984, 66760), (2480, 53408), (2560, 51739), (3338, 39680), (3968, 33380), (4960, 26704), (6676, 19840), (7936, 16690), (8345, 15872), (9920, 13352)]