251286480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{829}}^1$

素因数の和:1269

約数の個数: 120

約数和(自身を含む): 846928680

約数和(自身を除く): 595642200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 421, 720, 829, 842, 1263, 1658, 1684, 2105, 2487, 2526, 3316, 3368, 3789, 4145, 4210, 4974, 5052, 6315, 6632, 6736, 7461, 7578, 8290, 8420, 9948, 10104, 12435, 12630, 13264, 14922, 15156, 16580, 16840, 18945, 19896, 20208, 24870, 25260, 29844, 30312, 33160, 33680, 37305, 37890, 39792, 49740, 50520, 59688, 60624, 66320, 74610, 75780, 99480, 101040, 119376, 149220, 151560, 198960, 298440, 303120, 349009, 596880, 698018, 1047027, 1396036, 1745045, 2094054, 2792072, 3141081, 3490090, 4188108, 5235135, 5584144, 6282162, 6980180, 8376216, 10470270, 12564324, 13960360, 15705405, 16752432, 20940540, 25128648, 27920720, 31410810, 41881080, 50257296, 62821620, 83762160, 125643240, 251286480]

約数ペア:

[(1, 251286480), (2, 125643240), (3, 83762160), (4, 62821620), (5, 50257296), (6, 41881080), (8, 31410810), (9, 27920720), (10, 25128648), (12, 20940540), (15, 16752432), (16, 15705405), (18, 13960360), (20, 12564324), (24, 10470270), (30, 8376216), (36, 6980180), (40, 6282162), (45, 5584144), (48, 5235135), (60, 4188108), (72, 3490090), (80, 3141081), (90, 2792072), (120, 2094054), (144, 1745045), (180, 1396036), (240, 1047027), (360, 698018), (421, 596880), (720, 349009), (829, 303120), (842, 298440), (1263, 198960), (1658, 151560), (1684, 149220), (2105, 119376), (2487, 101040), (2526, 99480), (3316, 75780), (3368, 74610), (3789, 66320), (4145, 60624), (4210, 59688), (4974, 50520), (5052, 49740), (6315, 39792), (6632, 37890), (6736, 37305), (7461, 33680), (7578, 33160), (8290, 30312), (8420, 29844), (9948, 25260), (10104, 24870), (12435, 20208), (12630, 19896), (13264, 18945), (14922, 16840), (15156, 16580)]