1279842720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205103}}^1$

素因数の和:205134

約数の個数: 96

約数和(自身を含む): 4341641472

約数和(自身を除く): 3061798752

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, 205103, 410206, 615309, 820412, 1025515, 1230618, 1640824, 2051030, 2461236, 2666339, 3076545, 3281648, 4102060, 4922472, 5332678, 6153090, 6563296, 7999017, 8204120, 9844944, 10665356, 12306180, 13331695, 15998034, 16408240, 19689888, 21330712, 24612360, 26663390, 31996068, 32816480, 39995085, 42661424, 49224720, 53326780, 63992136, 79990170, 85322848, 98449440, 106653560, 127984272, 159980340, 213307120, 255968544, 319960680, 426614240, 639921360, 1279842720]

約数ペア:

[(1, 1279842720), (2, 639921360), (3, 426614240), (4, 319960680), (5, 255968544), (6, 213307120), (8, 159980340), (10, 127984272), (12, 106653560), (13, 98449440), (15, 85322848), (16, 79990170), (20, 63992136), (24, 53326780), (26, 49224720), (30, 42661424), (32, 39995085), (39, 32816480), (40, 31996068), (48, 26663390), (52, 24612360), (60, 21330712), (65, 19689888), (78, 16408240), (80, 15998034), (96, 13331695), (104, 12306180), (120, 10665356), (130, 9844944), (156, 8204120), (160, 7999017), (195, 6563296), (208, 6153090), (240, 5332678), (260, 4922472), (312, 4102060), (390, 3281648), (416, 3076545), (480, 2666339), (520, 2461236), (624, 2051030), (780, 1640824), (1040, 1230618), (1248, 1025515), (1560, 820412), (2080, 615309), (3120, 410206), (6240, 205103)]