163907120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{911}}^1$

素因数の和:1110

約数の個数: 80

約数和(自身を含む): 413223552

約数和(自身を除く): 249316432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 173, 208, 260, 346, 520, 692, 865, 911, 1040, 1384, 1730, 1822, 2249, 2768, 3460, 3644, 4498, 4555, 6920, 7288, 8996, 9110, 11245, 11843, 13840, 14576, 17992, 18220, 22490, 23686, 35984, 36440, 44980, 47372, 59215, 72880, 89960, 94744, 118430, 157603, 179920, 189488, 236860, 315206, 473720, 630412, 788015, 947440, 1260824, 1576030, 2048839, 2521648, 3152060, 4097678, 6304120, 8195356, 10244195, 12608240, 16390712, 20488390, 32781424, 40976780, 81953560, 163907120]

約数ペア:

[(1, 163907120), (2, 81953560), (4, 40976780), (5, 32781424), (8, 20488390), (10, 16390712), (13, 12608240), (16, 10244195), (20, 8195356), (26, 6304120), (40, 4097678), (52, 3152060), (65, 2521648), (80, 2048839), (104, 1576030), (130, 1260824), (173, 947440), (208, 788015), (260, 630412), (346, 473720), (520, 315206), (692, 236860), (865, 189488), (911, 179920), (1040, 157603), (1384, 118430), (1730, 94744), (1822, 89960), (2249, 72880), (2768, 59215), (3460, 47372), (3644, 44980), (4498, 36440), (4555, 35984), (6920, 23686), (7288, 22490), (8996, 18220), (9110, 17992), (11245, 14576), (11843, 13840)]