129361440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20731}}^1$

素因数の和:20762

約数の個数: 96

約数和(自身を含む): 438854976

約数和(自身を除く): 309493536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 20731, 41462, 62193, 82924, 103655, 124386, 165848, 207310, 248772, 269503, 310965, 331696, 414620, 497544, 539006, 621930, 663392, 808509, 829240, 995088, 1078012, 1243860, 1347515, 1617018, 1658480, 1990176, 2156024, 2487720, 2695030, 3234036, 3316960, 4042545, 4312048, 4975440, 5390060, 6468072, 8085090, 8624096, 9950880, 10780120, 12936144, 16170180, 21560240, 25872288, 32340360, 43120480, 64680720, 129361440]

約数ペア:

[(1, 129361440), (2, 64680720), (3, 43120480), (4, 32340360), (5, 25872288), (6, 21560240), (8, 16170180), (10, 12936144), (12, 10780120), (13, 9950880), (15, 8624096), (16, 8085090), (20, 6468072), (24, 5390060), (26, 4975440), (30, 4312048), (32, 4042545), (39, 3316960), (40, 3234036), (48, 2695030), (52, 2487720), (60, 2156024), (65, 1990176), (78, 1658480), (80, 1617018), (96, 1347515), (104, 1243860), (120, 1078012), (130, 995088), (156, 829240), (160, 808509), (195, 663392), (208, 621930), (240, 539006), (260, 497544), (312, 414620), (390, 331696), (416, 310965), (480, 269503), (520, 248772), (624, 207310), (780, 165848), (1040, 124386), (1248, 103655), (1560, 82924), (2080, 62193), (3120, 41462), (6240, 20731)]