81577296

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:265

約数の個数: 120

約数和(自身を含む): 236770560

約数和(自身を除く): 155193264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 79, 101, 142, 144, 158, 202, 213, 237, 284, 303, 316, 404, 426, 474, 568, 606, 632, 639, 711, 808, 852, 909, 948, 1136, 1212, 1264, 1278, 1422, 1616, 1704, 1818, 1896, 2424, 2556, 2844, 3408, 3636, 3792, 4848, 5112, 5609, 5688, 7171, 7272, 7979, 10224, 11218, 11376, 14342, 14544, 15958, 16827, 21513, 22436, 23937, 28684, 31916, 33654, 43026, 44872, 47874, 50481, 57368, 63832, 64539, 67308, 71811, 86052, 89744, 95748, 100962, 114736, 127664, 129078, 134616, 143622, 172104, 191496, 201924, 258156, 269232, 287244, 344208, 382992, 403848, 516312, 566509, 574488, 807696, 1032624, 1133018, 1148976, 1699527, 2266036, 3399054, 4532072, 5098581, 6798108, 9064144, 10197162, 13596216, 20394324, 27192432, 40788648, 81577296]

約数ペア:

[(1, 81577296), (2, 40788648), (3, 27192432), (4, 20394324), (6, 13596216), (8, 10197162), (9, 9064144), (12, 6798108), (16, 5098581), (18, 4532072), (24, 3399054), (36, 2266036), (48, 1699527), (71, 1148976), (72, 1133018), (79, 1032624), (101, 807696), (142, 574488), (144, 566509), (158, 516312), (202, 403848), (213, 382992), (237, 344208), (284, 287244), (303, 269232), (316, 258156), (404, 201924), (426, 191496), (474, 172104), (568, 143622), (606, 134616), (632, 129078), (639, 127664), (711, 114736), (808, 100962), (852, 95748), (909, 89744), (948, 86052), (1136, 71811), (1212, 67308), (1264, 64539), (1278, 63832), (1422, 57368), (1616, 50481), (1704, 47874), (1818, 44872), (1896, 43026), (2424, 33654), (2556, 31916), (2844, 28684), (3408, 23937), (3636, 22436), (3792, 21513), (4848, 16827), (5112, 15958), (5609, 14544), (5688, 14342), (7171, 11376), (7272, 11218), (7979, 10224)]