397456800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12739}}^1$

素因数の和:12775

約数の個数: 144

約数和(自身を含む): 1393348320

約数和(自身を除く): 995891520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 416, 480, 520, 600, 624, 650, 780, 800, 975, 1040, 1200, 1248, 1300, 1560, 1950, 2080, 2400, 2600, 3120, 3900, 5200, 6240, 7800, 10400, 12739, 15600, 25478, 31200, 38217, 50956, 63695, 76434, 101912, 127390, 152868, 165607, 191085, 203824, 254780, 305736, 318475, 331214, 382170, 407648, 496821, 509560, 611472, 636950, 662428, 764340, 828035, 955425, 993642, 1019120, 1222944, 1273900, 1324856, 1528680, 1656070, 1910850, 1987284, 2038240, 2484105, 2547800, 2649712, 3057360, 3312140, 3821700, 3974568, 4140175, 4968210, 5095600, 5299424, 6114720, 6624280, 7643400, 7949136, 8280350, 9936420, 10191200, 12420525, 13248560, 15286800, 15898272, 16560700, 19872840, 24841050, 26497120, 30573600, 33121400, 39745680, 49682100, 66242800, 79491360, 99364200, 132485600, 198728400, 397456800]

約数ペア:

[(1, 397456800), (2, 198728400), (3, 132485600), (4, 99364200), (5, 79491360), (6, 66242800), (8, 49682100), (10, 39745680), (12, 33121400), (13, 30573600), (15, 26497120), (16, 24841050), (20, 19872840), (24, 16560700), (25, 15898272), (26, 15286800), (30, 13248560), (32, 12420525), (39, 10191200), (40, 9936420), (48, 8280350), (50, 7949136), (52, 7643400), (60, 6624280), (65, 6114720), (75, 5299424), (78, 5095600), (80, 4968210), (96, 4140175), (100, 3974568), (104, 3821700), (120, 3312140), (130, 3057360), (150, 2649712), (156, 2547800), (160, 2484105), (195, 2038240), (200, 1987284), (208, 1910850), (240, 1656070), (260, 1528680), (300, 1324856), (312, 1273900), (325, 1222944), (390, 1019120), (400, 993642), (416, 955425), (480, 828035), (520, 764340), (600, 662428), (624, 636950), (650, 611472), (780, 509560), (800, 496821), (975, 407648), (1040, 382170), (1200, 331214), (1248, 318475), (1300, 305736), (1560, 254780), (1950, 203824), (2080, 191085), (2400, 165607), (2600, 152868), (3120, 127390), (3900, 101912), (5200, 76434), (6240, 63695), (7800, 50956), (10400, 38217), (12739, 31200), (15600, 25478)]