287294280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26309}}^1$

素因数の和:26343

約数の個数: 128

約数和(自身を含む): 1060819200

約数和(自身を除く): 773524920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 26309, 52618, 78927, 105236, 131545, 157854, 184163, 210472, 263090, 315708, 342017, 368326, 394635, 526180, 552489, 631416, 684034, 736652, 789270, 920815, 1026051, 1052360, 1104978, 1368068, 1473304, 1578540, 1710085, 1841630, 2052102, 2209956, 2394119, 2736136, 2762445, 3157080, 3420170, 3683260, 4104204, 4419912, 4788238, 5130255, 5524890, 6840340, 7182357, 7366520, 8208408, 9576476, 10260510, 11049780, 11970595, 13680680, 14364714, 19152952, 20521020, 22099560, 23941190, 28729428, 35911785, 41042040, 47882380, 57458856, 71823570, 95764760, 143647140, 287294280]

約数ペア:

[(1, 287294280), (2, 143647140), (3, 95764760), (4, 71823570), (5, 57458856), (6, 47882380), (7, 41042040), (8, 35911785), (10, 28729428), (12, 23941190), (13, 22099560), (14, 20521020), (15, 19152952), (20, 14364714), (21, 13680680), (24, 11970595), (26, 11049780), (28, 10260510), (30, 9576476), (35, 8208408), (39, 7366520), (40, 7182357), (42, 6840340), (52, 5524890), (56, 5130255), (60, 4788238), (65, 4419912), (70, 4104204), (78, 3683260), (84, 3420170), (91, 3157080), (104, 2762445), (105, 2736136), (120, 2394119), (130, 2209956), (140, 2052102), (156, 1841630), (168, 1710085), (182, 1578540), (195, 1473304), (210, 1368068), (260, 1104978), (273, 1052360), (280, 1026051), (312, 920815), (364, 789270), (390, 736652), (420, 684034), (455, 631416), (520, 552489), (546, 526180), (728, 394635), (780, 368326), (840, 342017), (910, 315708), (1092, 263090), (1365, 210472), (1560, 184163), (1820, 157854), (2184, 131545), (2730, 105236), (3640, 78927), (5460, 52618), (10920, 26309)]