640147212

素因数分解:

$2^2\times 3^4\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{797}}^1$

素因数の和:917

約数の個数: 120

約数和(自身を含む): 1746541104

約数和(自身を除く): 1106393892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 67, 74, 81, 108, 111, 134, 148, 162, 201, 222, 268, 324, 333, 402, 444, 603, 666, 797, 804, 999, 1206, 1332, 1594, 1809, 1998, 2391, 2412, 2479, 2997, 3188, 3618, 3996, 4782, 4958, 5427, 5994, 7173, 7236, 7437, 9564, 9916, 10854, 11988, 14346, 14874, 21519, 21708, 22311, 28692, 29489, 29748, 43038, 44622, 53399, 58978, 64557, 66933, 86076, 88467, 89244, 106798, 117956, 129114, 133866, 160197, 176934, 200799, 213596, 258228, 265401, 267732, 320394, 353868, 401598, 480591, 530802, 640788, 796203, 803196, 961182, 1061604, 1441773, 1592406, 1922364, 1975763, 2388609, 2883546, 3184812, 3951526, 4325319, 4777218, 5767092, 5927289, 7903052, 8650638, 9554436, 11854578, 17301276, 17781867, 23709156, 35563734, 53345601, 71127468, 106691202, 160036803, 213382404, 320073606, 640147212]

約数ペア:

[(1, 640147212), (2, 320073606), (3, 213382404), (4, 160036803), (6, 106691202), (9, 71127468), (12, 53345601), (18, 35563734), (27, 23709156), (36, 17781867), (37, 17301276), (54, 11854578), (67, 9554436), (74, 8650638), (81, 7903052), (108, 5927289), (111, 5767092), (134, 4777218), (148, 4325319), (162, 3951526), (201, 3184812), (222, 2883546), (268, 2388609), (324, 1975763), (333, 1922364), (402, 1592406), (444, 1441773), (603, 1061604), (666, 961182), (797, 803196), (804, 796203), (999, 640788), (1206, 530802), (1332, 480591), (1594, 401598), (1809, 353868), (1998, 320394), (2391, 267732), (2412, 265401), (2479, 258228), (2997, 213596), (3188, 200799), (3618, 176934), (3996, 160197), (4782, 133866), (4958, 129114), (5427, 117956), (5994, 106798), (7173, 89244), (7236, 88467), (7437, 86076), (9564, 66933), (9916, 64557), (10854, 58978), (11988, 53399), (14346, 44622), (14874, 43038), (21519, 29748), (21708, 29489), (22311, 28692)]