18715440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2689}}^1$

素因数の和:2734

約数の個数: 80

約数和(自身を含む): 60040800

約数和(自身を除く): 41325360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 2689, 3480, 5378, 6960, 8067, 10756, 13445, 16134, 21512, 26890, 32268, 40335, 43024, 53780, 64536, 77981, 80670, 107560, 129072, 155962, 161340, 215120, 233943, 311924, 322680, 389905, 467886, 623848, 645360, 779810, 935772, 1169715, 1247696, 1559620, 1871544, 2339430, 3119240, 3743088, 4678860, 6238480, 9357720, 18715440]

約数ペア:

[(1, 18715440), (2, 9357720), (3, 6238480), (4, 4678860), (5, 3743088), (6, 3119240), (8, 2339430), (10, 1871544), (12, 1559620), (15, 1247696), (16, 1169715), (20, 935772), (24, 779810), (29, 645360), (30, 623848), (40, 467886), (48, 389905), (58, 322680), (60, 311924), (80, 233943), (87, 215120), (116, 161340), (120, 155962), (145, 129072), (174, 107560), (232, 80670), (240, 77981), (290, 64536), (348, 53780), (435, 43024), (464, 40335), (580, 32268), (696, 26890), (870, 21512), (1160, 16134), (1392, 13445), (1740, 10756), (2320, 8067), (2689, 6960), (3480, 5378)]