215603840

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 546981120

約数和(自身を除く): 331377280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 97, 115, 128, 151, 160, 184, 194, 230, 302, 320, 368, 388, 460, 485, 604, 640, 736, 755, 776, 920, 970, 1208, 1472, 1510, 1552, 1840, 1940, 2231, 2416, 2944, 3020, 3104, 3473, 3680, 3880, 4462, 4832, 6040, 6208, 6946, 7360, 7760, 8924, 9664, 11155, 12080, 12416, 13892, 14647, 14720, 15520, 17365, 17848, 19328, 22310, 24160, 27784, 29294, 31040, 34730, 35696, 44620, 48320, 55568, 58588, 62080, 69460, 71392, 73235, 89240, 96640, 111136, 117176, 138920, 142784, 146470, 178480, 222272, 234352, 277840, 285568, 292940, 336881, 356960, 444544, 468704, 555680, 585880, 673762, 713920, 937408, 1111360, 1171760, 1347524, 1427840, 1684405, 1874816, 2222720, 2343520, 2695048, 3368810, 4687040, 5390096, 6737620, 9374080, 10780192, 13475240, 21560384, 26950480, 43120768, 53900960, 107801920, 215603840]

約数ペア:

[(1, 215603840), (2, 107801920), (4, 53900960), (5, 43120768), (8, 26950480), (10, 21560384), (16, 13475240), (20, 10780192), (23, 9374080), (32, 6737620), (40, 5390096), (46, 4687040), (64, 3368810), (80, 2695048), (92, 2343520), (97, 2222720), (115, 1874816), (128, 1684405), (151, 1427840), (160, 1347524), (184, 1171760), (194, 1111360), (230, 937408), (302, 713920), (320, 673762), (368, 585880), (388, 555680), (460, 468704), (485, 444544), (604, 356960), (640, 336881), (736, 292940), (755, 285568), (776, 277840), (920, 234352), (970, 222272), (1208, 178480), (1472, 146470), (1510, 142784), (1552, 138920), (1840, 117176), (1940, 111136), (2231, 96640), (2416, 89240), (2944, 73235), (3020, 71392), (3104, 69460), (3473, 62080), (3680, 58588), (3880, 55568), (4462, 48320), (4832, 44620), (6040, 35696), (6208, 34730), (6946, 31040), (7360, 29294), (7760, 27784), (8924, 24160), (9664, 22310), (11155, 19328), (12080, 17848), (12416, 17365), (13892, 15520), (14647, 14720)]