74177840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 193945920

約数和(自身を除く): 119768080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 97, 110, 121, 158, 176, 194, 220, 242, 316, 388, 395, 440, 484, 485, 605, 632, 776, 790, 869, 880, 968, 970, 1067, 1210, 1264, 1552, 1580, 1738, 1936, 1940, 2134, 2420, 3160, 3476, 3880, 4268, 4345, 4840, 5335, 6320, 6952, 7663, 7760, 8536, 8690, 9559, 9680, 10670, 11737, 13904, 15326, 17072, 17380, 19118, 21340, 23474, 30652, 34760, 38236, 38315, 42680, 46948, 47795, 58685, 61304, 69520, 76472, 76630, 84293, 85360, 93896, 95590, 117370, 122608, 152944, 153260, 168586, 187792, 191180, 234740, 306520, 337172, 382360, 421465, 469480, 613040, 674344, 764720, 842930, 927223, 938960, 1348688, 1685860, 1854446, 3371720, 3708892, 4636115, 6743440, 7417784, 9272230, 14835568, 18544460, 37088920, 74177840]

約数ペア:

[(1, 74177840), (2, 37088920), (4, 18544460), (5, 14835568), (8, 9272230), (10, 7417784), (11, 6743440), (16, 4636115), (20, 3708892), (22, 3371720), (40, 1854446), (44, 1685860), (55, 1348688), (79, 938960), (80, 927223), (88, 842930), (97, 764720), (110, 674344), (121, 613040), (158, 469480), (176, 421465), (194, 382360), (220, 337172), (242, 306520), (316, 234740), (388, 191180), (395, 187792), (440, 168586), (484, 153260), (485, 152944), (605, 122608), (632, 117370), (776, 95590), (790, 93896), (869, 85360), (880, 84293), (968, 76630), (970, 76472), (1067, 69520), (1210, 61304), (1264, 58685), (1552, 47795), (1580, 46948), (1738, 42680), (1936, 38315), (1940, 38236), (2134, 34760), (2420, 30652), (3160, 23474), (3476, 21340), (3880, 19118), (4268, 17380), (4345, 17072), (4840, 15326), (5335, 13904), (6320, 11737), (6952, 10670), (7663, 9680), (7760, 9559), (8536, 8690)]