1815815680

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{947}}^1$

素因数の和:1084

約数の個数: 160

約数和(自身を含む): 5027463936

約数和(自身を除く): 3211648256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 107, 112, 128, 140, 160, 214, 224, 256, 280, 320, 428, 448, 512, 535, 560, 640, 749, 856, 896, 947, 1070, 1120, 1280, 1498, 1712, 1792, 1894, 2140, 2240, 2560, 2996, 3424, 3584, 3745, 3788, 4280, 4480, 4735, 5992, 6629, 6848, 7490, 7576, 8560, 8960, 9470, 11984, 13258, 13696, 14980, 15152, 17120, 17920, 18940, 23968, 26516, 27392, 29960, 30304, 33145, 34240, 37880, 47936, 53032, 54784, 59920, 60608, 66290, 68480, 75760, 95872, 101329, 106064, 119840, 121216, 132580, 136960, 151520, 191744, 202658, 212128, 239680, 242432, 265160, 273920, 303040, 383488, 405316, 424256, 479360, 484864, 506645, 530320, 606080, 709303, 810632, 848512, 958720, 1013290, 1060640, 1212160, 1418606, 1621264, 1697024, 1917440, 2026580, 2121280, 2424320, 2837212, 3242528, 3394048, 3546515, 4053160, 4242560, 5674424, 6485056, 7093030, 8106320, 8485120, 11348848, 12970112, 14186060, 16212640, 16970240, 22697696, 25940224, 28372120, 32425280, 45395392, 51880448, 56744240, 64850560, 90790784, 113488480, 129701120, 181581568, 226976960, 259402240, 363163136, 453953920, 907907840, 1815815680]

約数ペア:

[(1, 1815815680), (2, 907907840), (4, 453953920), (5, 363163136), (7, 259402240), (8, 226976960), (10, 181581568), (14, 129701120), (16, 113488480), (20, 90790784), (28, 64850560), (32, 56744240), (35, 51880448), (40, 45395392), (56, 32425280), (64, 28372120), (70, 25940224), (80, 22697696), (107, 16970240), (112, 16212640), (128, 14186060), (140, 12970112), (160, 11348848), (214, 8485120), (224, 8106320), (256, 7093030), (280, 6485056), (320, 5674424), (428, 4242560), (448, 4053160), (512, 3546515), (535, 3394048), (560, 3242528), (640, 2837212), (749, 2424320), (856, 2121280), (896, 2026580), (947, 1917440), (1070, 1697024), (1120, 1621264), (1280, 1418606), (1498, 1212160), (1712, 1060640), (1792, 1013290), (1894, 958720), (2140, 848512), (2240, 810632), (2560, 709303), (2996, 606080), (3424, 530320), (3584, 506645), (3745, 484864), (3788, 479360), (4280, 424256), (4480, 405316), (4735, 383488), (5992, 303040), (6629, 273920), (6848, 265160), (7490, 242432), (7576, 239680), (8560, 212128), (8960, 202658), (9470, 191744), (11984, 151520), (13258, 136960), (13696, 132580), (14980, 121216), (15152, 119840), (17120, 106064), (17920, 101329), (18940, 95872), (23968, 75760), (26516, 68480), (27392, 66290), (29960, 60608), (30304, 59920), (33145, 54784), (34240, 53032), (37880, 47936)]