720193984

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:354

約数の個数: 112

約数和(自身を含む): 1583594496

約数和(自身を除く): 863400512

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 131, 136, 163, 248, 262, 272, 326, 496, 524, 527, 544, 652, 992, 1048, 1054, 1088, 1304, 1984, 2096, 2108, 2227, 2608, 2771, 4061, 4192, 4216, 4454, 5053, 5216, 5542, 8122, 8384, 8432, 8908, 10106, 10432, 11084, 16244, 16864, 17816, 20212, 21353, 22168, 32488, 33728, 35632, 40424, 42706, 44336, 64976, 69037, 71264, 80848, 85412, 85901, 88672, 129952, 138074, 142528, 161696, 170824, 171802, 177344, 259904, 276148, 323392, 341648, 343604, 363001, 552296, 661943, 683296, 687208, 726002, 1104592, 1323886, 1366592, 1374416, 1452004, 2209184, 2647772, 2748832, 2904008, 4418368, 5295544, 5497664, 5808016, 10591088, 11253031, 11616032, 21182176, 22506062, 23232064, 42364352, 45012124, 90024248, 180048496, 360096992, 720193984]

約数ペア:

[(1, 720193984), (2, 360096992), (4, 180048496), (8, 90024248), (16, 45012124), (17, 42364352), (31, 23232064), (32, 22506062), (34, 21182176), (62, 11616032), (64, 11253031), (68, 10591088), (124, 5808016), (131, 5497664), (136, 5295544), (163, 4418368), (248, 2904008), (262, 2748832), (272, 2647772), (326, 2209184), (496, 1452004), (524, 1374416), (527, 1366592), (544, 1323886), (652, 1104592), (992, 726002), (1048, 687208), (1054, 683296), (1088, 661943), (1304, 552296), (1984, 363001), (2096, 343604), (2108, 341648), (2227, 323392), (2608, 276148), (2771, 259904), (4061, 177344), (4192, 171802), (4216, 170824), (4454, 161696), (5053, 142528), (5216, 138074), (5542, 129952), (8122, 88672), (8384, 85901), (8432, 85412), (8908, 80848), (10106, 71264), (10432, 69037), (11084, 64976), (16244, 44336), (16864, 42706), (17816, 40424), (20212, 35632), (21353, 33728), (22168, 32488)]