391920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:110

約数の個数: 80

約数和(自身を含む): 1285632

約数和(自身を除く): 893712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 71, 80, 92, 115, 120, 138, 142, 184, 213, 230, 240, 276, 284, 345, 355, 368, 426, 460, 552, 568, 690, 710, 852, 920, 1065, 1104, 1136, 1380, 1420, 1633, 1704, 1840, 2130, 2760, 2840, 3266, 3408, 4260, 4899, 5520, 5680, 6532, 8165, 8520, 9798, 13064, 16330, 17040, 19596, 24495, 26128, 32660, 39192, 48990, 65320, 78384, 97980, 130640, 195960, 391920]

約数ペア:

[(1, 391920), (2, 195960), (3, 130640), (4, 97980), (5, 78384), (6, 65320), (8, 48990), (10, 39192), (12, 32660), (15, 26128), (16, 24495), (20, 19596), (23, 17040), (24, 16330), (30, 13064), (40, 9798), (46, 8520), (48, 8165), (60, 6532), (69, 5680), (71, 5520), (80, 4899), (92, 4260), (115, 3408), (120, 3266), (138, 2840), (142, 2760), (184, 2130), (213, 1840), (230, 1704), (240, 1633), (276, 1420), (284, 1380), (345, 1136), (355, 1104), (368, 1065), (426, 920), (460, 852), (552, 710), (568, 690)]