205768680

素因数分解:

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

素因数の和:7803

約数の個数: 128

約数和(自身を含む): 703987200

約数和(自身を除く): 498218520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 7759, 8840, 13260, 15518, 23277, 26520, 31036, 38795, 46554, 62072, 77590, 93108, 100867, 116385, 131903, 155180, 186216, 201734, 232770, 263806, 302601, 310360, 395709, 403468, 465540, 504335, 527612, 605202, 659515, 791418, 806936, 931080, 1008670, 1055224, 1210404, 1319030, 1513005, 1582836, 1714739, 1978545, 2017340, 2420808, 2638060, 3026010, 3165672, 3429478, 3957090, 4034680, 5144217, 5276120, 6052020, 6858956, 7914180, 8573695, 10288434, 12104040, 13717912, 15828360, 17147390, 20576868, 25721085, 34294780, 41153736, 51442170, 68589560, 102884340, 205768680]

約数ペア:

[(1, 205768680), (2, 102884340), (3, 68589560), (4, 51442170), (5, 41153736), (6, 34294780), (8, 25721085), (10, 20576868), (12, 17147390), (13, 15828360), (15, 13717912), (17, 12104040), (20, 10288434), (24, 8573695), (26, 7914180), (30, 6858956), (34, 6052020), (39, 5276120), (40, 5144217), (51, 4034680), (52, 3957090), (60, 3429478), (65, 3165672), (68, 3026010), (78, 2638060), (85, 2420808), (102, 2017340), (104, 1978545), (120, 1714739), (130, 1582836), (136, 1513005), (156, 1319030), (170, 1210404), (195, 1055224), (204, 1008670), (221, 931080), (255, 806936), (260, 791418), (312, 659515), (340, 605202), (390, 527612), (408, 504335), (442, 465540), (510, 403468), (520, 395709), (663, 310360), (680, 302601), (780, 263806), (884, 232770), (1020, 201734), (1105, 186216), (1326, 155180), (1560, 131903), (1768, 116385), (2040, 100867), (2210, 93108), (2652, 77590), (3315, 62072), (4420, 46554), (5304, 38795), (6630, 31036), (7759, 26520), (8840, 23277), (13260, 15518)]