640412916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:834

約数の個数: 192

約数和(自身を含む): 1925441280

約数和(自身を除く): 1285028364

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 17, 22, 26, 29, 33, 34, 39, 44, 51, 52, 58, 66, 68, 78, 87, 102, 116, 132, 143, 156, 174, 187, 204, 221, 286, 319, 348, 374, 377, 429, 442, 493, 561, 572, 638, 663, 748, 754, 757, 858, 884, 957, 986, 1122, 1131, 1276, 1326, 1479, 1508, 1514, 1716, 1914, 1972, 2244, 2262, 2271, 2431, 2652, 2958, 3028, 3828, 4147, 4524, 4542, 4862, 5423, 5916, 6409, 7293, 8294, 8327, 9084, 9724, 9841, 10846, 12441, 12818, 12869, 14586, 16269, 16588, 16654, 19227, 19682, 21692, 21953, 24882, 24981, 25636, 25738, 29172, 29523, 32538, 33308, 38454, 38607, 39364, 43906, 49764, 49962, 51476, 59046, 65076, 65859, 70499, 76908, 77214, 87812, 99924, 108251, 118092, 131718, 140998, 141559, 154428, 167297, 211497, 216502, 241483, 263436, 281996, 283118, 285389, 324753, 334594, 373201, 422994, 424677, 433004, 482966, 501891, 566236, 570778, 649506, 669188, 724449, 746402, 845988, 849354, 856167, 965932, 1003782, 1119603, 1141556, 1299012, 1448898, 1492804, 1698708, 1712334, 1840267, 2007564, 2239206, 2897796, 3139279, 3424668, 3680534, 4105211, 4478412, 4851613, 5520801, 6278558, 7361068, 8210422, 9417837, 9703226, 11041602, 12315633, 12557116, 14554839, 16420844, 18835674, 19406452, 22083204, 24631266, 29109678, 37671348, 49262532, 53367743, 58219356, 106735486, 160103229, 213470972, 320206458, 640412916]

約数ペア:

[(1, 640412916), (2, 320206458), (3, 213470972), (4, 160103229), (6, 106735486), (11, 58219356), (12, 53367743), (13, 49262532), (17, 37671348), (22, 29109678), (26, 24631266), (29, 22083204), (33, 19406452), (34, 18835674), (39, 16420844), (44, 14554839), (51, 12557116), (52, 12315633), (58, 11041602), (66, 9703226), (68, 9417837), (78, 8210422), (87, 7361068), (102, 6278558), (116, 5520801), (132, 4851613), (143, 4478412), (156, 4105211), (174, 3680534), (187, 3424668), (204, 3139279), (221, 2897796), (286, 2239206), (319, 2007564), (348, 1840267), (374, 1712334), (377, 1698708), (429, 1492804), (442, 1448898), (493, 1299012), (561, 1141556), (572, 1119603), (638, 1003782), (663, 965932), (748, 856167), (754, 849354), (757, 845988), (858, 746402), (884, 724449), (957, 669188), (986, 649506), (1122, 570778), (1131, 566236), (1276, 501891), (1326, 482966), (1479, 433004), (1508, 424677), (1514, 422994), (1716, 373201), (1914, 334594), (1972, 324753), (2244, 285389), (2262, 283118), (2271, 281996), (2431, 263436), (2652, 241483), (2958, 216502), (3028, 211497), (3828, 167297), (4147, 154428), (4524, 141559), (4542, 140998), (4862, 131718), (5423, 118092), (5916, 108251), (6409, 99924), (7293, 87812), (8294, 77214), (8327, 76908), (9084, 70499), (9724, 65859), (9841, 65076), (10846, 59046), (12441, 51476), (12818, 49962), (12869, 49764), (14586, 43906), (16269, 39364), (16588, 38607), (16654, 38454), (19227, 33308), (19682, 32538), (21692, 29523), (21953, 29172), (24882, 25738), (24981, 25636)]