86756800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 168

約数和(自身を含む): 237668816

約数和(自身を除く): 150912016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 43, 50, 52, 64, 65, 80, 86, 97, 100, 104, 130, 160, 172, 194, 200, 208, 215, 260, 320, 325, 344, 388, 400, 416, 430, 485, 520, 559, 650, 688, 776, 800, 832, 860, 970, 1040, 1075, 1118, 1261, 1300, 1376, 1552, 1600, 1720, 1940, 2080, 2150, 2236, 2425, 2522, 2600, 2752, 2795, 3104, 3440, 3880, 4160, 4171, 4300, 4472, 4850, 5044, 5200, 5590, 6208, 6305, 6880, 7760, 8342, 8600, 8944, 9700, 10088, 10400, 11180, 12610, 13760, 13975, 15520, 16684, 17200, 17888, 19400, 20176, 20800, 20855, 22360, 25220, 27950, 31040, 31525, 33368, 34400, 35776, 38800, 40352, 41710, 44720, 50440, 54223, 55900, 63050, 66736, 68800, 77600, 80704, 83420, 89440, 100880, 104275, 108446, 111800, 126100, 133472, 155200, 166840, 178880, 201760, 208550, 216892, 223600, 252200, 266944, 271115, 333680, 403520, 417100, 433784, 447200, 504400, 542230, 667360, 834200, 867568, 894400, 1008800, 1084460, 1334720, 1355575, 1668400, 1735136, 2017600, 2168920, 2711150, 3336800, 3470272, 4337840, 5422300, 6673600, 8675680, 10844600, 17351360, 21689200, 43378400, 86756800]

約数ペア:

[(1, 86756800), (2, 43378400), (4, 21689200), (5, 17351360), (8, 10844600), (10, 8675680), (13, 6673600), (16, 5422300), (20, 4337840), (25, 3470272), (26, 3336800), (32, 2711150), (40, 2168920), (43, 2017600), (50, 1735136), (52, 1668400), (64, 1355575), (65, 1334720), (80, 1084460), (86, 1008800), (97, 894400), (100, 867568), (104, 834200), (130, 667360), (160, 542230), (172, 504400), (194, 447200), (200, 433784), (208, 417100), (215, 403520), (260, 333680), (320, 271115), (325, 266944), (344, 252200), (388, 223600), (400, 216892), (416, 208550), (430, 201760), (485, 178880), (520, 166840), (559, 155200), (650, 133472), (688, 126100), (776, 111800), (800, 108446), (832, 104275), (860, 100880), (970, 89440), (1040, 83420), (1075, 80704), (1118, 77600), (1261, 68800), (1300, 66736), (1376, 63050), (1552, 55900), (1600, 54223), (1720, 50440), (1940, 44720), (2080, 41710), (2150, 40352), (2236, 38800), (2425, 35776), (2522, 34400), (2600, 33368), (2752, 31525), (2795, 31040), (3104, 27950), (3440, 25220), (3880, 22360), (4160, 20855), (4171, 20800), (4300, 20176), (4472, 19400), (4850, 17888), (5044, 17200), (5200, 16684), (5590, 15520), (6208, 13975), (6305, 13760), (6880, 12610), (7760, 11180), (8342, 10400), (8600, 10088), (8944, 9700)]