65781560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 165227040

約数和(自身を除く): 99445480

約数列:

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

約数ペア:

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