28726800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 120

約数和(自身を含む): 94654656

約数和(自身を除く): 65927856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 37, 40, 48, 50, 60, 74, 75, 80, 100, 111, 120, 148, 150, 185, 200, 222, 240, 296, 300, 370, 400, 444, 555, 592, 600, 647, 740, 888, 925, 1110, 1200, 1294, 1480, 1776, 1850, 1941, 2220, 2588, 2775, 2960, 3235, 3700, 3882, 4440, 5176, 5550, 6470, 7400, 7764, 8880, 9705, 10352, 11100, 12940, 14800, 15528, 16175, 19410, 22200, 23939, 25880, 31056, 32350, 38820, 44400, 47878, 48525, 51760, 64700, 71817, 77640, 95756, 97050, 119695, 129400, 143634, 155280, 191512, 194100, 239390, 258800, 287268, 359085, 383024, 388200, 478780, 574536, 598475, 718170, 776400, 957560, 1149072, 1196950, 1436340, 1795425, 1915120, 2393900, 2872680, 3590850, 4787800, 5745360, 7181700, 9575600, 14363400, 28726800]

約数ペア:

[(1, 28726800), (2, 14363400), (3, 9575600), (4, 7181700), (5, 5745360), (6, 4787800), (8, 3590850), (10, 2872680), (12, 2393900), (15, 1915120), (16, 1795425), (20, 1436340), (24, 1196950), (25, 1149072), (30, 957560), (37, 776400), (40, 718170), (48, 598475), (50, 574536), (60, 478780), (74, 388200), (75, 383024), (80, 359085), (100, 287268), (111, 258800), (120, 239390), (148, 194100), (150, 191512), (185, 155280), (200, 143634), (222, 129400), (240, 119695), (296, 97050), (300, 95756), (370, 77640), (400, 71817), (444, 64700), (555, 51760), (592, 48525), (600, 47878), (647, 44400), (740, 38820), (888, 32350), (925, 31056), (1110, 25880), (1200, 23939), (1294, 22200), (1480, 19410), (1776, 16175), (1850, 15528), (1941, 14800), (2220, 12940), (2588, 11100), (2775, 10352), (2960, 9705), (3235, 8880), (3700, 7764), (3882, 7400), (4440, 6470), (5176, 5550)]