640465812

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:403

約数の個数: 192

約数和(自身を含む): 1986969600

約数和(自身を除く): 1346503788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 84, 87, 108, 116, 126, 131, 174, 189, 203, 223, 252, 261, 262, 348, 378, 393, 406, 446, 522, 524, 609, 669, 756, 783, 786, 812, 892, 917, 1044, 1179, 1218, 1338, 1561, 1566, 1572, 1827, 1834, 2007, 2358, 2436, 2676, 2751, 3122, 3132, 3537, 3654, 3668, 3799, 4014, 4683, 4716, 5481, 5502, 6021, 6244, 6467, 7074, 7308, 7598, 8028, 8253, 9366, 10962, 11004, 11397, 12042, 12934, 14049, 14148, 15196, 16506, 18732, 19401, 21924, 22794, 24084, 24759, 25868, 26593, 28098, 29213, 33012, 34191, 38802, 42147, 45269, 45588, 49518, 53186, 56196, 58203, 58426, 68382, 77604, 79779, 84294, 87639, 90538, 99036, 102573, 106372, 116406, 116852, 135807, 136764, 159558, 168588, 174609, 175278, 181076, 204491, 205146, 232812, 239337, 262917, 271614, 319116, 349218, 350556, 407421, 408982, 410292, 478674, 525834, 543228, 613473, 698436, 718011, 788751, 814842, 817964, 847177, 957348, 1051668, 1222263, 1226946, 1436022, 1577502, 1629684, 1694354, 1840419, 2444526, 2453892, 2541531, 2872044, 3155004, 3388708, 3680838, 4889052, 5083062, 5521257, 5930239, 7361676, 7624593, 10166124, 11042514, 11860478, 15249186, 17790717, 22085028, 22873779, 23720956, 30498372, 35581434, 45747558, 53372151, 71162868, 91495116, 106744302, 160116453, 213488604, 320232906, 640465812]

約数ペア:

[(1, 640465812), (2, 320232906), (3, 213488604), (4, 160116453), (6, 106744302), (7, 91495116), (9, 71162868), (12, 53372151), (14, 45747558), (18, 35581434), (21, 30498372), (27, 23720956), (28, 22873779), (29, 22085028), (36, 17790717), (42, 15249186), (54, 11860478), (58, 11042514), (63, 10166124), (84, 7624593), (87, 7361676), (108, 5930239), (116, 5521257), (126, 5083062), (131, 4889052), (174, 3680838), (189, 3388708), (203, 3155004), (223, 2872044), (252, 2541531), (261, 2453892), (262, 2444526), (348, 1840419), (378, 1694354), (393, 1629684), (406, 1577502), (446, 1436022), (522, 1226946), (524, 1222263), (609, 1051668), (669, 957348), (756, 847177), (783, 817964), (786, 814842), (812, 788751), (892, 718011), (917, 698436), (1044, 613473), (1179, 543228), (1218, 525834), (1338, 478674), (1561, 410292), (1566, 408982), (1572, 407421), (1827, 350556), (1834, 349218), (2007, 319116), (2358, 271614), (2436, 262917), (2676, 239337), (2751, 232812), (3122, 205146), (3132, 204491), (3537, 181076), (3654, 175278), (3668, 174609), (3799, 168588), (4014, 159558), (4683, 136764), (4716, 135807), (5481, 116852), (5502, 116406), (6021, 106372), (6244, 102573), (6467, 99036), (7074, 90538), (7308, 87639), (7598, 84294), (8028, 79779), (8253, 77604), (9366, 68382), (10962, 58426), (11004, 58203), (11397, 56196), (12042, 53186), (12934, 49518), (14049, 45588), (14148, 45269), (15196, 42147), (16506, 38802), (18732, 34191), (19401, 33012), (21924, 29213), (22794, 28098), (24084, 26593), (24759, 25868)]