18212903680

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1\times {\mathrm{1031}}^1$

素因数の和:1462

約数の個数: 144

約数和(自身を含む): 44968359744

約数和(自身を除く): 26755456064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 373, 592, 640, 740, 746, 1031, 1184, 1280, 1480, 1492, 1865, 2062, 2368, 2960, 2984, 3730, 4124, 4736, 5155, 5920, 5968, 7460, 8248, 9472, 10310, 11840, 11936, 13801, 14920, 16496, 20620, 23680, 23872, 27602, 29840, 32992, 38147, 41240, 47360, 47744, 55204, 59680, 65984, 69005, 76294, 82480, 95488, 110408, 119360, 131968, 138010, 152588, 164960, 190735, 220816, 238720, 263936, 276020, 305176, 329920, 381470, 384563, 441632, 477440, 552040, 610352, 659840, 762940, 769126, 883264, 1104080, 1220704, 1319680, 1525880, 1538252, 1766528, 1922815, 2208160, 2441408, 3051760, 3076504, 3533056, 3845630, 4416320, 4882816, 6103520, 6153008, 7691260, 8832640, 9765632, 12207040, 12306016, 14228831, 15382520, 17665280, 24414080, 24612032, 28457662, 30765040, 48828160, 49224064, 56915324, 61530080, 71144155, 98448128, 113830648, 123060160, 142288310, 227661296, 246120320, 284576620, 455322592, 492240640, 569153240, 910645184, 1138306480, 1821290368, 2276612960, 3642580736, 4553225920, 9106451840, 18212903680]

約数ペア:

[(1, 18212903680), (2, 9106451840), (4, 4553225920), (5, 3642580736), (8, 2276612960), (10, 1821290368), (16, 1138306480), (20, 910645184), (32, 569153240), (37, 492240640), (40, 455322592), (64, 284576620), (74, 246120320), (80, 227661296), (128, 142288310), (148, 123060160), (160, 113830648), (185, 98448128), (256, 71144155), (296, 61530080), (320, 56915324), (370, 49224064), (373, 48828160), (592, 30765040), (640, 28457662), (740, 24612032), (746, 24414080), (1031, 17665280), (1184, 15382520), (1280, 14228831), (1480, 12306016), (1492, 12207040), (1865, 9765632), (2062, 8832640), (2368, 7691260), (2960, 6153008), (2984, 6103520), (3730, 4882816), (4124, 4416320), (4736, 3845630), (5155, 3533056), (5920, 3076504), (5968, 3051760), (7460, 2441408), (8248, 2208160), (9472, 1922815), (10310, 1766528), (11840, 1538252), (11936, 1525880), (13801, 1319680), (14920, 1220704), (16496, 1104080), (20620, 883264), (23680, 769126), (23872, 762940), (27602, 659840), (29840, 610352), (32992, 552040), (38147, 477440), (41240, 441632), (47360, 384563), (47744, 381470), (55204, 329920), (59680, 305176), (65984, 276020), (69005, 263936), (76294, 238720), (82480, 220816), (95488, 190735), (110408, 164960), (119360, 152588), (131968, 138010)]