68589560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7759}}^1$

素因数の和:7800

約数の個数: 64

約数和(自身を含む): 175996800

約数和(自身を除く): 107407240

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 7759, 8840, 15518, 31036, 38795, 62072, 77590, 100867, 131903, 155180, 201734, 263806, 310360, 403468, 504335, 527612, 659515, 806936, 1008670, 1055224, 1319030, 1714739, 2017340, 2638060, 3429478, 4034680, 5276120, 6858956, 8573695, 13717912, 17147390, 34294780, 68589560]

約数ペア:

[(1, 68589560), (2, 34294780), (4, 17147390), (5, 13717912), (8, 8573695), (10, 6858956), (13, 5276120), (17, 4034680), (20, 3429478), (26, 2638060), (34, 2017340), (40, 1714739), (52, 1319030), (65, 1055224), (68, 1008670), (85, 806936), (104, 659515), (130, 527612), (136, 504335), (170, 403468), (221, 310360), (260, 263806), (340, 201734), (442, 155180), (520, 131903), (680, 100867), (884, 77590), (1105, 62072), (1768, 38795), (2210, 31036), (4420, 15518), (7759, 8840)]