80131428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3643}}^1$

素因数の和:3713

約数の個数: 72

約数和(自身を含む): 222837888

約数和(自身を除く): 142706460

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 1222, 1692, 1833, 2444, 3643, 3666, 5499, 7286, 7332, 10929, 10998, 14572, 21858, 21996, 32787, 43716, 47359, 65574, 94718, 131148, 142077, 171221, 189436, 284154, 342442, 426231, 513663, 568308, 684884, 852462, 1027326, 1540989, 1704924, 2054652, 2225873, 3081978, 4451746, 6163956, 6677619, 8903492, 13355238, 20032857, 26710476, 40065714, 80131428]

約数ペア:

[(1, 80131428), (2, 40065714), (3, 26710476), (4, 20032857), (6, 13355238), (9, 8903492), (12, 6677619), (13, 6163956), (18, 4451746), (26, 3081978), (36, 2225873), (39, 2054652), (47, 1704924), (52, 1540989), (78, 1027326), (94, 852462), (117, 684884), (141, 568308), (156, 513663), (188, 426231), (234, 342442), (282, 284154), (423, 189436), (468, 171221), (564, 142077), (611, 131148), (846, 94718), (1222, 65574), (1692, 47359), (1833, 43716), (2444, 32787), (3643, 21996), (3666, 21858), (5499, 14572), (7286, 10998), (7332, 10929)]