855557040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{619}}^1$

素因数の和:1091

約数の個数: 160

約数和(自身を含む): 2867316480

約数和(自身を除く): 2011759440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 443, 520, 619, 624, 780, 886, 1040, 1238, 1329, 1560, 1772, 1857, 2215, 2476, 2658, 3095, 3120, 3544, 3714, 4430, 4952, 5316, 5759, 6190, 6645, 7088, 7428, 8047, 8860, 9285, 9904, 10632, 11518, 12380, 13290, 14856, 16094, 17277, 17720, 18570, 21264, 23036, 24141, 24760, 26580, 28795, 29712, 32188, 34554, 35440, 37140, 40235, 46072, 48282, 49520, 53160, 57590, 64376, 69108, 74280, 80470, 86385, 92144, 96564, 106320, 115180, 120705, 128752, 138216, 148560, 160940, 172770, 193128, 230360, 241410, 274217, 276432, 321880, 345540, 386256, 460720, 482820, 548434, 643760, 691080, 822651, 965640, 1096868, 1371085, 1382160, 1645302, 1931280, 2193736, 2742170, 3290604, 3564821, 4113255, 4387472, 5484340, 6581208, 7129642, 8226510, 10694463, 10968680, 13162416, 14259284, 16453020, 17824105, 21388926, 21937360, 28518568, 32906040, 35648210, 42777852, 53472315, 57037136, 65812080, 71296420, 85555704, 106944630, 142592840, 171111408, 213889260, 285185680, 427778520, 855557040]

約数ペア:

[(1, 855557040), (2, 427778520), (3, 285185680), (4, 213889260), (5, 171111408), (6, 142592840), (8, 106944630), (10, 85555704), (12, 71296420), (13, 65812080), (15, 57037136), (16, 53472315), (20, 42777852), (24, 35648210), (26, 32906040), (30, 28518568), (39, 21937360), (40, 21388926), (48, 17824105), (52, 16453020), (60, 14259284), (65, 13162416), (78, 10968680), (80, 10694463), (104, 8226510), (120, 7129642), (130, 6581208), (156, 5484340), (195, 4387472), (208, 4113255), (240, 3564821), (260, 3290604), (312, 2742170), (390, 2193736), (443, 1931280), (520, 1645302), (619, 1382160), (624, 1371085), (780, 1096868), (886, 965640), (1040, 822651), (1238, 691080), (1329, 643760), (1560, 548434), (1772, 482820), (1857, 460720), (2215, 386256), (2476, 345540), (2658, 321880), (3095, 276432), (3120, 274217), (3544, 241410), (3714, 230360), (4430, 193128), (4952, 172770), (5316, 160940), (5759, 148560), (6190, 138216), (6645, 128752), (7088, 120705), (7428, 115180), (8047, 106320), (8860, 96564), (9285, 92144), (9904, 86385), (10632, 80470), (11518, 74280), (12380, 69108), (13290, 64376), (14856, 57590), (16094, 53160), (17277, 49520), (17720, 48282), (18570, 46072), (21264, 40235), (23036, 37140), (24141, 35440), (24760, 34554), (26580, 32188), (28795, 29712)]