28456800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 94493952

約数和(自身を除く): 66037152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 71, 75, 80, 96, 100, 120, 142, 150, 160, 167, 200, 213, 240, 284, 300, 334, 355, 400, 426, 480, 501, 568, 600, 668, 710, 800, 835, 852, 1002, 1065, 1136, 1200, 1336, 1420, 1670, 1704, 1775, 2004, 2130, 2272, 2400, 2505, 2672, 2840, 3340, 3408, 3550, 4008, 4175, 4260, 5010, 5325, 5344, 5680, 6680, 6816, 7100, 8016, 8350, 8520, 10020, 10650, 11360, 11857, 12525, 13360, 14200, 16032, 16700, 17040, 20040, 21300, 23714, 25050, 26720, 28400, 33400, 34080, 35571, 40080, 42600, 47428, 50100, 56800, 59285, 66800, 71142, 80160, 85200, 94856, 100200, 118570, 133600, 142284, 170400, 177855, 189712, 200400, 237140, 284568, 296425, 355710, 379424, 400800, 474280, 569136, 592850, 711420, 889275, 948560, 1138272, 1185700, 1422840, 1778550, 1897120, 2371400, 2845680, 3557100, 4742800, 5691360, 7114200, 9485600, 14228400, 28456800]

約数ペア:

[(1, 28456800), (2, 14228400), (3, 9485600), (4, 7114200), (5, 5691360), (6, 4742800), (8, 3557100), (10, 2845680), (12, 2371400), (15, 1897120), (16, 1778550), (20, 1422840), (24, 1185700), (25, 1138272), (30, 948560), (32, 889275), (40, 711420), (48, 592850), (50, 569136), (60, 474280), (71, 400800), (75, 379424), (80, 355710), (96, 296425), (100, 284568), (120, 237140), (142, 200400), (150, 189712), (160, 177855), (167, 170400), (200, 142284), (213, 133600), (240, 118570), (284, 100200), (300, 94856), (334, 85200), (355, 80160), (400, 71142), (426, 66800), (480, 59285), (501, 56800), (568, 50100), (600, 47428), (668, 42600), (710, 40080), (800, 35571), (835, 34080), (852, 33400), (1002, 28400), (1065, 26720), (1136, 25050), (1200, 23714), (1336, 21300), (1420, 20040), (1670, 17040), (1704, 16700), (1775, 16032), (2004, 14200), (2130, 13360), (2272, 12525), (2400, 11857), (2505, 11360), (2672, 10650), (2840, 10020), (3340, 8520), (3408, 8350), (3550, 8016), (4008, 7100), (4175, 6816), (4260, 6680), (5010, 5680), (5325, 5344)]