251307360

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19391}}^1$

素因数の和:19418

約数の個数: 120

約数和(自身を含む): 886951296

約数和(自身を除く): 635643936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 19391, 38782, 58173, 77564, 96955, 116346, 155128, 174519, 193910, 232692, 290865, 310256, 349038, 387820, 465384, 523557, 581730, 620512, 698076, 775640, 872595, 930768, 1047114, 1163460, 1396152, 1551280, 1570671, 1745190, 1861536, 2094228, 2326920, 2617785, 2792304, 3102560, 3141342, 3490380, 4188456, 4653840, 5235570, 5584608, 6282684, 6980760, 7853355, 8376912, 9307680, 10471140, 12565368, 13961520, 15706710, 16753824, 20942280, 25130736, 27923040, 31413420, 41884560, 50261472, 62826840, 83769120, 125653680, 251307360]

約数ペア:

[(1, 251307360), (2, 125653680), (3, 83769120), (4, 62826840), (5, 50261472), (6, 41884560), (8, 31413420), (9, 27923040), (10, 25130736), (12, 20942280), (15, 16753824), (16, 15706710), (18, 13961520), (20, 12565368), (24, 10471140), (27, 9307680), (30, 8376912), (32, 7853355), (36, 6980760), (40, 6282684), (45, 5584608), (48, 5235570), (54, 4653840), (60, 4188456), (72, 3490380), (80, 3141342), (81, 3102560), (90, 2792304), (96, 2617785), (108, 2326920), (120, 2094228), (135, 1861536), (144, 1745190), (160, 1570671), (162, 1551280), (180, 1396152), (216, 1163460), (240, 1047114), (270, 930768), (288, 872595), (324, 775640), (360, 698076), (405, 620512), (432, 581730), (480, 523557), (540, 465384), (648, 387820), (720, 349038), (810, 310256), (864, 290865), (1080, 232692), (1296, 193910), (1440, 174519), (1620, 155128), (2160, 116346), (2592, 96955), (3240, 77564), (4320, 58173), (6480, 38782), (12960, 19391)]