161294700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{863}}^1$

素因数の和:976

約数の個数: 144

約数和(自身を含む): 539965440

約数和(自身を除く): 378670740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 89, 100, 105, 140, 150, 175, 178, 210, 267, 300, 350, 356, 420, 445, 525, 534, 623, 700, 863, 890, 1050, 1068, 1246, 1335, 1726, 1780, 1869, 2100, 2225, 2492, 2589, 2670, 3115, 3452, 3738, 4315, 4450, 5178, 5340, 6041, 6230, 6675, 7476, 8630, 8900, 9345, 10356, 12082, 12460, 12945, 13350, 15575, 17260, 18123, 18690, 21575, 24164, 25890, 26700, 30205, 31150, 36246, 37380, 43150, 46725, 51780, 60410, 62300, 64725, 72492, 76807, 86300, 90615, 93450, 120820, 129450, 151025, 153614, 181230, 186900, 230421, 258900, 302050, 307228, 362460, 384035, 453075, 460842, 537649, 604100, 768070, 906150, 921684, 1075298, 1152105, 1536140, 1612947, 1812300, 1920175, 2150596, 2304210, 2688245, 3225894, 3840350, 4608420, 5376490, 5760525, 6451788, 7680700, 8064735, 10752980, 11521050, 13441225, 16129470, 23042100, 26882450, 32258940, 40323675, 53764900, 80647350, 161294700]

約数ペア:

[(1, 161294700), (2, 80647350), (3, 53764900), (4, 40323675), (5, 32258940), (6, 26882450), (7, 23042100), (10, 16129470), (12, 13441225), (14, 11521050), (15, 10752980), (20, 8064735), (21, 7680700), (25, 6451788), (28, 5760525), (30, 5376490), (35, 4608420), (42, 3840350), (50, 3225894), (60, 2688245), (70, 2304210), (75, 2150596), (84, 1920175), (89, 1812300), (100, 1612947), (105, 1536140), (140, 1152105), (150, 1075298), (175, 921684), (178, 906150), (210, 768070), (267, 604100), (300, 537649), (350, 460842), (356, 453075), (420, 384035), (445, 362460), (525, 307228), (534, 302050), (623, 258900), (700, 230421), (863, 186900), (890, 181230), (1050, 153614), (1068, 151025), (1246, 129450), (1335, 120820), (1726, 93450), (1780, 90615), (1869, 86300), (2100, 76807), (2225, 72492), (2492, 64725), (2589, 62300), (2670, 60410), (3115, 51780), (3452, 46725), (3738, 43150), (4315, 37380), (4450, 36246), (5178, 31150), (5340, 30205), (6041, 26700), (6230, 25890), (6675, 24164), (7476, 21575), (8630, 18690), (8900, 18123), (9345, 17260), (10356, 15575), (12082, 13350), (12460, 12945)]