251443980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{277}}^1$

素因数の和:377

約数の個数: 144

約数和(自身を含む): 804709920

約数和(自身を除く): 553265940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 82, 90, 108, 123, 135, 164, 180, 205, 246, 270, 277, 369, 410, 492, 540, 554, 615, 738, 820, 831, 1107, 1108, 1230, 1385, 1476, 1662, 1681, 1845, 2214, 2460, 2493, 2770, 3324, 3362, 3690, 4155, 4428, 4986, 5043, 5535, 5540, 6724, 7380, 7479, 8310, 8405, 9972, 10086, 11070, 11357, 12465, 14958, 15129, 16620, 16810, 20172, 22140, 22714, 24930, 25215, 29916, 30258, 33620, 34071, 37395, 45387, 45428, 49860, 50430, 56785, 60516, 68142, 74790, 75645, 90774, 100860, 102213, 113570, 136284, 149580, 151290, 170355, 181548, 204426, 226935, 227140, 302580, 306639, 340710, 408852, 453870, 465637, 511065, 613278, 681420, 907740, 931274, 1022130, 1226556, 1396911, 1533195, 1862548, 2044260, 2328185, 2793822, 3066390, 4190733, 4656370, 5587644, 6132780, 6984555, 8381466, 9312740, 12572199, 13969110, 16762932, 20953665, 25144398, 27938220, 41907330, 50288796, 62860995, 83814660, 125721990, 251443980]

約数ペア:

[(1, 251443980), (2, 125721990), (3, 83814660), (4, 62860995), (5, 50288796), (6, 41907330), (9, 27938220), (10, 25144398), (12, 20953665), (15, 16762932), (18, 13969110), (20, 12572199), (27, 9312740), (30, 8381466), (36, 6984555), (41, 6132780), (45, 5587644), (54, 4656370), (60, 4190733), (82, 3066390), (90, 2793822), (108, 2328185), (123, 2044260), (135, 1862548), (164, 1533195), (180, 1396911), (205, 1226556), (246, 1022130), (270, 931274), (277, 907740), (369, 681420), (410, 613278), (492, 511065), (540, 465637), (554, 453870), (615, 408852), (738, 340710), (820, 306639), (831, 302580), (1107, 227140), (1108, 226935), (1230, 204426), (1385, 181548), (1476, 170355), (1662, 151290), (1681, 149580), (1845, 136284), (2214, 113570), (2460, 102213), (2493, 100860), (2770, 90774), (3324, 75645), (3362, 74790), (3690, 68142), (4155, 60516), (4428, 56785), (4986, 50430), (5043, 49860), (5535, 45428), (5540, 45387), (6724, 37395), (7380, 34071), (7479, 33620), (8310, 30258), (8405, 29916), (9972, 25215), (10086, 24930), (11070, 22714), (11357, 22140), (12465, 20172), (14958, 16810), (15129, 16620)]