28430640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{5641}}^1$

素因数の和:5667

約数の個数: 120

約数和(自身を含む): 109138848

約数和(自身を除く): 80708208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 5641, 11282, 16923, 22564, 28205, 33846, 39487, 45128, 50769, 56410, 67692, 78974, 84615, 90256, 101538, 112820, 118461, 135384, 157948, 169230, 197435, 203076, 225640, 236922, 253845, 270768, 315896, 338460, 355383, 394870, 406152, 451280, 473844, 507690, 592305, 631792, 676920, 710766, 789740, 812304, 947688, 1015380, 1184610, 1353840, 1421532, 1579480, 1776915, 1895376, 2030760, 2369220, 2843064, 3158960, 3553830, 4061520, 4738440, 5686128, 7107660, 9476880, 14215320, 28430640]

約数ペア:

[(1, 28430640), (2, 14215320), (3, 9476880), (4, 7107660), (5, 5686128), (6, 4738440), (7, 4061520), (8, 3553830), (9, 3158960), (10, 2843064), (12, 2369220), (14, 2030760), (15, 1895376), (16, 1776915), (18, 1579480), (20, 1421532), (21, 1353840), (24, 1184610), (28, 1015380), (30, 947688), (35, 812304), (36, 789740), (40, 710766), (42, 676920), (45, 631792), (48, 592305), (56, 507690), (60, 473844), (63, 451280), (70, 406152), (72, 394870), (80, 355383), (84, 338460), (90, 315896), (105, 270768), (112, 253845), (120, 236922), (126, 225640), (140, 203076), (144, 197435), (168, 169230), (180, 157948), (210, 135384), (240, 118461), (252, 112820), (280, 101538), (315, 90256), (336, 84615), (360, 78974), (420, 67692), (504, 56410), (560, 50769), (630, 45128), (720, 39487), (840, 33846), (1008, 28205), (1260, 22564), (1680, 16923), (2520, 11282), (5040, 5641)]