131563120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:339

約数の個数: 120

約数和(自身を含む): 341469216

約数和(自身を除く): 209906096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 169, 185, 208, 260, 263, 296, 338, 370, 481, 520, 526, 592, 676, 740, 845, 962, 1040, 1052, 1315, 1352, 1480, 1690, 1924, 2104, 2405, 2630, 2704, 2960, 3380, 3419, 3848, 4208, 4810, 5260, 6253, 6760, 6838, 7696, 9620, 9731, 10520, 12506, 13520, 13676, 17095, 19240, 19462, 21040, 25012, 27352, 31265, 34190, 38480, 38924, 44447, 48655, 50024, 54704, 62530, 68380, 77848, 88894, 97310, 100048, 125060, 126503, 136760, 155696, 177788, 194620, 222235, 250120, 253006, 273520, 355576, 389240, 444470, 500240, 506012, 632515, 711152, 778480, 888940, 1012024, 1265030, 1644539, 1777880, 2024048, 2530060, 3289078, 3555760, 5060120, 6578156, 8222695, 10120240, 13156312, 16445390, 26312624, 32890780, 65781560, 131563120]

約数ペア:

[(1, 131563120), (2, 65781560), (4, 32890780), (5, 26312624), (8, 16445390), (10, 13156312), (13, 10120240), (16, 8222695), (20, 6578156), (26, 5060120), (37, 3555760), (40, 3289078), (52, 2530060), (65, 2024048), (74, 1777880), (80, 1644539), (104, 1265030), (130, 1012024), (148, 888940), (169, 778480), (185, 711152), (208, 632515), (260, 506012), (263, 500240), (296, 444470), (338, 389240), (370, 355576), (481, 273520), (520, 253006), (526, 250120), (592, 222235), (676, 194620), (740, 177788), (845, 155696), (962, 136760), (1040, 126503), (1052, 125060), (1315, 100048), (1352, 97310), (1480, 88894), (1690, 77848), (1924, 68380), (2104, 62530), (2405, 54704), (2630, 50024), (2704, 48655), (2960, 44447), (3380, 38924), (3419, 38480), (3848, 34190), (4208, 31265), (4810, 27352), (5260, 25012), (6253, 21040), (6760, 19462), (6838, 19240), (7696, 17095), (9620, 13676), (9731, 13520), (10520, 12506)]