81527024

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 176655360

約数和(自身を除く): 95128336

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 41, 62, 76, 82, 124, 152, 164, 211, 248, 304, 328, 422, 496, 589, 656, 779, 844, 1178, 1271, 1558, 1688, 2356, 2542, 3116, 3376, 4009, 4712, 5084, 6232, 6541, 8018, 8651, 9424, 10168, 12464, 13082, 16036, 17302, 20336, 24149, 26164, 32072, 34604, 48298, 52328, 64144, 69208, 96596, 104656, 124279, 138416, 164369, 193192, 248558, 268181, 328738, 386384, 497116, 536362, 657476, 994232, 1072724, 1314952, 1988464, 2145448, 2629904, 4290896, 5095439, 10190878, 20381756, 40763512, 81527024]

約数ペア:

[(1, 81527024), (2, 40763512), (4, 20381756), (8, 10190878), (16, 5095439), (19, 4290896), (31, 2629904), (38, 2145448), (41, 1988464), (62, 1314952), (76, 1072724), (82, 994232), (124, 657476), (152, 536362), (164, 497116), (211, 386384), (248, 328738), (304, 268181), (328, 248558), (422, 193192), (496, 164369), (589, 138416), (656, 124279), (779, 104656), (844, 96596), (1178, 69208), (1271, 64144), (1558, 52328), (1688, 48298), (2356, 34604), (2542, 32072), (3116, 26164), (3376, 24149), (4009, 20336), (4712, 17302), (5084, 16036), (6232, 13082), (6541, 12464), (8018, 10168), (8651, 9424)]