15721053590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{32999}}^1$

素因数の和:33149

約数の個数: 64

約数和(自身を含む): 31819392000

約数和(自身を除く): 16098338410

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 71, 110, 122, 142, 305, 355, 610, 671, 710, 781, 1342, 1562, 3355, 3905, 4331, 6710, 7810, 8662, 21655, 32999, 43310, 47641, 65998, 95282, 164995, 238205, 329990, 362989, 476410, 725978, 1814945, 2012939, 2342929, 3629890, 4025878, 4685858, 10064695, 11714645, 20129390, 22142329, 23429290, 25772219, 44284658, 51544438, 110711645, 128861095, 142918669, 221423290, 257722190, 285837338, 714593345, 1429186690, 1572105359, 3144210718, 7860526795, 15721053590]

約数ペア:

[(1, 15721053590), (2, 7860526795), (5, 3144210718), (10, 1572105359), (11, 1429186690), (22, 714593345), (55, 285837338), (61, 257722190), (71, 221423290), (110, 142918669), (122, 128861095), (142, 110711645), (305, 51544438), (355, 44284658), (610, 25772219), (671, 23429290), (710, 22142329), (781, 20129390), (1342, 11714645), (1562, 10064695), (3355, 4685858), (3905, 4025878), (4331, 3629890), (6710, 2342929), (7810, 2012939), (8662, 1814945), (21655, 725978), (32999, 476410), (43310, 362989), (47641, 329990), (65998, 238205), (95282, 164995)]