80020080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{15877}}^1$

素因数の和:15903

約数の個数: 120

約数和(自身を含む): 307144032

約数和(自身を除く): 227123952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 15877, 31754, 47631, 63508, 79385, 95262, 111139, 127016, 142893, 158770, 190524, 222278, 238155, 254032, 285786, 317540, 333417, 381048, 444556, 476310, 555695, 571572, 635080, 666834, 714465, 762096, 889112, 952620, 1000251, 1111390, 1143144, 1270160, 1333668, 1428930, 1667085, 1778224, 1905240, 2000502, 2222780, 2286288, 2667336, 2857860, 3334170, 3810480, 4001004, 4445560, 5001255, 5334672, 5715720, 6668340, 8002008, 8891120, 10002510, 11431440, 13336680, 16004016, 20005020, 26673360, 40010040, 80020080]

約数ペア:

[(1, 80020080), (2, 40010040), (3, 26673360), (4, 20005020), (5, 16004016), (6, 13336680), (7, 11431440), (8, 10002510), (9, 8891120), (10, 8002008), (12, 6668340), (14, 5715720), (15, 5334672), (16, 5001255), (18, 4445560), (20, 4001004), (21, 3810480), (24, 3334170), (28, 2857860), (30, 2667336), (35, 2286288), (36, 2222780), (40, 2000502), (42, 1905240), (45, 1778224), (48, 1667085), (56, 1428930), (60, 1333668), (63, 1270160), (70, 1143144), (72, 1111390), (80, 1000251), (84, 952620), (90, 889112), (105, 762096), (112, 714465), (120, 666834), (126, 635080), (140, 571572), (144, 555695), (168, 476310), (180, 444556), (210, 381048), (240, 333417), (252, 317540), (280, 285786), (315, 254032), (336, 238155), (360, 222278), (420, 190524), (504, 158770), (560, 142893), (630, 127016), (720, 111139), (840, 95262), (1008, 79385), (1260, 63508), (1680, 47631), (2520, 31754), (5040, 15877)]