28705320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{3797}}^1$

素因数の和:3824

約数の個数: 128

約数和(自身を含む): 109382400

約数和(自身を除く): 80677080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 3797, 7560, 7594, 11391, 15188, 18985, 22782, 26579, 30376, 34173, 37970, 45564, 53158, 56955, 68346, 75940, 79737, 91128, 102519, 106316, 113910, 132895, 136692, 151880, 159474, 170865, 205038, 212632, 227820, 239211, 265790, 273384, 318948, 341730, 398685, 410076, 455640, 478422, 512595, 531580, 637896, 683460, 717633, 797370, 820152, 956844, 1025190, 1063160, 1196055, 1366920, 1435266, 1594740, 1913688, 2050380, 2392110, 2870532, 3189480, 3588165, 4100760, 4784220, 5741064, 7176330, 9568440, 14352660, 28705320]

約数ペア:

[(1, 28705320), (2, 14352660), (3, 9568440), (4, 7176330), (5, 5741064), (6, 4784220), (7, 4100760), (8, 3588165), (9, 3189480), (10, 2870532), (12, 2392110), (14, 2050380), (15, 1913688), (18, 1594740), (20, 1435266), (21, 1366920), (24, 1196055), (27, 1063160), (28, 1025190), (30, 956844), (35, 820152), (36, 797370), (40, 717633), (42, 683460), (45, 637896), (54, 531580), (56, 512595), (60, 478422), (63, 455640), (70, 410076), (72, 398685), (84, 341730), (90, 318948), (105, 273384), (108, 265790), (120, 239211), (126, 227820), (135, 212632), (140, 205038), (168, 170865), (180, 159474), (189, 151880), (210, 136692), (216, 132895), (252, 113910), (270, 106316), (280, 102519), (315, 91128), (360, 79737), (378, 75940), (420, 68346), (504, 56955), (540, 53158), (630, 45564), (756, 37970), (840, 34173), (945, 30376), (1080, 26579), (1260, 22782), (1512, 18985), (1890, 15188), (2520, 11391), (3780, 7594), (3797, 7560)]