15916120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 39774240

約数和(自身を除く): 23858120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 593, 610, 671, 1186, 1220, 1342, 2372, 2440, 2684, 2965, 3355, 4744, 5368, 5930, 6523, 6710, 11860, 13046, 13420, 23720, 26092, 26840, 32615, 36173, 52184, 65230, 72346, 130460, 144692, 180865, 260920, 289384, 361730, 397903, 723460, 795806, 1446920, 1591612, 1989515, 3183224, 3979030, 7958060, 15916120]

約数ペア:

[(1, 15916120), (2, 7958060), (4, 3979030), (5, 3183224), (8, 1989515), (10, 1591612), (11, 1446920), (20, 795806), (22, 723460), (40, 397903), (44, 361730), (55, 289384), (61, 260920), (88, 180865), (110, 144692), (122, 130460), (220, 72346), (244, 65230), (305, 52184), (440, 36173), (488, 32615), (593, 26840), (610, 26092), (671, 23720), (1186, 13420), (1220, 13046), (1342, 11860), (2372, 6710), (2440, 6523), (2684, 5930), (2965, 5368), (3355, 4744)]