313456800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1151

約数の個数: 144

約数和(自身を含む): 1029121632

約数和(自身を除く): 715664832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 131, 150, 160, 200, 240, 262, 300, 393, 400, 480, 524, 600, 655, 786, 800, 997, 1048, 1200, 1310, 1572, 1965, 1994, 2096, 2400, 2620, 2991, 3144, 3275, 3930, 3988, 4192, 4985, 5240, 5982, 6288, 6550, 7860, 7976, 9825, 9970, 10480, 11964, 12576, 13100, 14955, 15720, 15952, 19650, 19940, 20960, 23928, 24925, 26200, 29910, 31440, 31904, 39300, 39880, 47856, 49850, 52400, 59820, 62880, 74775, 78600, 79760, 95712, 99700, 104800, 119640, 130607, 149550, 157200, 159520, 199400, 239280, 261214, 299100, 314400, 391821, 398800, 478560, 522428, 598200, 653035, 783642, 797600, 1044856, 1196400, 1306070, 1567284, 1959105, 2089712, 2392800, 2612140, 3134568, 3265175, 3918210, 4179424, 5224280, 6269136, 6530350, 7836420, 9795525, 10448560, 12538272, 13060700, 15672840, 19591050, 20897120, 26121400, 31345680, 39182100, 52242800, 62691360, 78364200, 104485600, 156728400, 313456800]

約数ペア:

[(1, 313456800), (2, 156728400), (3, 104485600), (4, 78364200), (5, 62691360), (6, 52242800), (8, 39182100), (10, 31345680), (12, 26121400), (15, 20897120), (16, 19591050), (20, 15672840), (24, 13060700), (25, 12538272), (30, 10448560), (32, 9795525), (40, 7836420), (48, 6530350), (50, 6269136), (60, 5224280), (75, 4179424), (80, 3918210), (96, 3265175), (100, 3134568), (120, 2612140), (131, 2392800), (150, 2089712), (160, 1959105), (200, 1567284), (240, 1306070), (262, 1196400), (300, 1044856), (393, 797600), (400, 783642), (480, 653035), (524, 598200), (600, 522428), (655, 478560), (786, 398800), (800, 391821), (997, 314400), (1048, 299100), (1200, 261214), (1310, 239280), (1572, 199400), (1965, 159520), (1994, 157200), (2096, 149550), (2400, 130607), (2620, 119640), (2991, 104800), (3144, 99700), (3275, 95712), (3930, 79760), (3988, 78600), (4192, 74775), (4985, 62880), (5240, 59820), (5982, 52400), (6288, 49850), (6550, 47856), (7860, 39880), (7976, 39300), (9825, 31904), (9970, 31440), (10480, 29910), (11964, 26200), (12576, 24925), (13100, 23928), (14955, 20960), (15720, 19940), (15952, 19650)]