12801760

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 32659200

約数和(自身を除く): 19857440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 80, 89, 116, 124, 145, 155, 160, 178, 232, 248, 290, 310, 356, 445, 464, 496, 580, 620, 712, 890, 899, 928, 992, 1160, 1240, 1424, 1780, 1798, 2320, 2480, 2581, 2759, 2848, 3560, 3596, 4495, 4640, 4960, 5162, 5518, 7120, 7192, 8990, 10324, 11036, 12905, 13795, 14240, 14384, 17980, 20648, 22072, 25810, 27590, 28768, 35960, 41296, 44144, 51620, 55180, 71920, 80011, 82592, 88288, 103240, 110360, 143840, 160022, 206480, 220720, 320044, 400055, 412960, 441440, 640088, 800110, 1280176, 1600220, 2560352, 3200440, 6400880, 12801760]

約数ペア:

[(1, 12801760), (2, 6400880), (4, 3200440), (5, 2560352), (8, 1600220), (10, 1280176), (16, 800110), (20, 640088), (29, 441440), (31, 412960), (32, 400055), (40, 320044), (58, 220720), (62, 206480), (80, 160022), (89, 143840), (116, 110360), (124, 103240), (145, 88288), (155, 82592), (160, 80011), (178, 71920), (232, 55180), (248, 51620), (290, 44144), (310, 41296), (356, 35960), (445, 28768), (464, 27590), (496, 25810), (580, 22072), (620, 20648), (712, 17980), (890, 14384), (899, 14240), (928, 13795), (992, 12905), (1160, 11036), (1240, 10324), (1424, 8990), (1780, 7192), (1798, 7120), (2320, 5518), (2480, 5162), (2581, 4960), (2759, 4640), (2848, 4495), (3560, 3596)]