644780088

素因数分解:

$2^3\times 3^7\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:433

約数の個数: 128

約数和(自身を含む): 1833192000

約数和(自身を除く): 1188411912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 137, 162, 216, 243, 269, 274, 324, 411, 486, 538, 548, 648, 729, 807, 822, 972, 1076, 1096, 1233, 1458, 1614, 1644, 1944, 2152, 2187, 2421, 2466, 2916, 3228, 3288, 3699, 4374, 4842, 4932, 5832, 6456, 7263, 7398, 8748, 9684, 9864, 11097, 14526, 14796, 17496, 19368, 21789, 22194, 29052, 29592, 33291, 36853, 43578, 44388, 58104, 65367, 66582, 73706, 87156, 88776, 99873, 110559, 130734, 133164, 147412, 174312, 196101, 199746, 221118, 261468, 266328, 294824, 299619, 331677, 392202, 399492, 442236, 522936, 588303, 599238, 663354, 784404, 798984, 884472, 995031, 1176606, 1198476, 1326708, 1568808, 1990062, 2353212, 2396952, 2653416, 2985093, 3980124, 4706424, 5970186, 7960248, 8955279, 11940372, 17910558, 23880744, 26865837, 35821116, 53731674, 71642232, 80597511, 107463348, 161195022, 214926696, 322390044, 644780088]

約数ペア:

[(1, 644780088), (2, 322390044), (3, 214926696), (4, 161195022), (6, 107463348), (8, 80597511), (9, 71642232), (12, 53731674), (18, 35821116), (24, 26865837), (27, 23880744), (36, 17910558), (54, 11940372), (72, 8955279), (81, 7960248), (108, 5970186), (137, 4706424), (162, 3980124), (216, 2985093), (243, 2653416), (269, 2396952), (274, 2353212), (324, 1990062), (411, 1568808), (486, 1326708), (538, 1198476), (548, 1176606), (648, 995031), (729, 884472), (807, 798984), (822, 784404), (972, 663354), (1076, 599238), (1096, 588303), (1233, 522936), (1458, 442236), (1614, 399492), (1644, 392202), (1944, 331677), (2152, 299619), (2187, 294824), (2421, 266328), (2466, 261468), (2916, 221118), (3228, 199746), (3288, 196101), (3699, 174312), (4374, 147412), (4842, 133164), (4932, 130734), (5832, 110559), (6456, 99873), (7263, 88776), (7398, 87156), (8748, 73706), (9684, 66582), (9864, 65367), (11097, 58104), (14526, 44388), (14796, 43578), (17496, 36853), (19368, 33291), (21789, 29592), (22194, 29052)]