640675008

素因数分解:

$2^6\times 3^4\times {\mathrm{83}}^1\times {\mathrm{1489}}^1$

素因数の和:1596

約数の個数: 140

約数和(自身を含む): 1923333720

約数和(自身を除く): 1282658712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 83, 96, 108, 144, 162, 166, 192, 216, 249, 288, 324, 332, 432, 498, 576, 648, 664, 747, 864, 996, 1296, 1328, 1489, 1494, 1728, 1992, 2241, 2592, 2656, 2978, 2988, 3984, 4467, 4482, 5184, 5312, 5956, 5976, 6723, 7968, 8934, 8964, 11912, 11952, 13401, 13446, 15936, 17868, 17928, 23824, 23904, 26802, 26892, 35736, 35856, 40203, 47648, 47808, 53604, 53784, 71472, 71712, 80406, 95296, 107208, 107568, 120609, 123587, 142944, 143424, 160812, 214416, 215136, 241218, 247174, 285888, 321624, 370761, 428832, 430272, 482436, 494348, 643248, 741522, 857664, 964872, 988696, 1112283, 1286496, 1483044, 1929744, 1977392, 2224566, 2572992, 2966088, 3336849, 3859488, 3954784, 4449132, 5932176, 6673698, 7718976, 7909568, 8898264, 10010547, 11864352, 13347396, 17796528, 20021094, 23728704, 26694792, 35593056, 40042188, 53389584, 71186112, 80084376, 106779168, 160168752, 213558336, 320337504, 640675008]

約数ペア:

[(1, 640675008), (2, 320337504), (3, 213558336), (4, 160168752), (6, 106779168), (8, 80084376), (9, 71186112), (12, 53389584), (16, 40042188), (18, 35593056), (24, 26694792), (27, 23728704), (32, 20021094), (36, 17796528), (48, 13347396), (54, 11864352), (64, 10010547), (72, 8898264), (81, 7909568), (83, 7718976), (96, 6673698), (108, 5932176), (144, 4449132), (162, 3954784), (166, 3859488), (192, 3336849), (216, 2966088), (249, 2572992), (288, 2224566), (324, 1977392), (332, 1929744), (432, 1483044), (498, 1286496), (576, 1112283), (648, 988696), (664, 964872), (747, 857664), (864, 741522), (996, 643248), (1296, 494348), (1328, 482436), (1489, 430272), (1494, 428832), (1728, 370761), (1992, 321624), (2241, 285888), (2592, 247174), (2656, 241218), (2978, 215136), (2988, 214416), (3984, 160812), (4467, 143424), (4482, 142944), (5184, 123587), (5312, 120609), (5956, 107568), (5976, 107208), (6723, 95296), (7968, 80406), (8934, 71712), (8964, 71472), (11912, 53784), (11952, 53604), (13401, 47808), (13446, 47648), (15936, 40203), (17868, 35856), (17928, 35736), (23824, 26892), (23904, 26802)]