90621720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11987}}^1$

素因数の和:12014

約数の個数: 128

約数和(自身を含む): 345254400

約数和(自身を除く): 254632680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 11987, 23974, 35961, 47948, 59935, 71922, 83909, 95896, 107883, 119870, 143844, 167818, 179805, 215766, 239740, 251727, 287688, 323649, 335636, 359610, 419545, 431532, 479480, 503454, 539415, 647298, 671272, 719220, 755181, 839090, 863064, 1006908, 1078830, 1258635, 1294596, 1438440, 1510362, 1618245, 1678180, 2013816, 2157660, 2265543, 2517270, 2589192, 3020724, 3236490, 3356360, 3775905, 4315320, 4531086, 5034540, 6041448, 6472980, 7551810, 9062172, 10069080, 11327715, 12945960, 15103620, 18124344, 22655430, 30207240, 45310860, 90621720]

約数ペア:

[(1, 90621720), (2, 45310860), (3, 30207240), (4, 22655430), (5, 18124344), (6, 15103620), (7, 12945960), (8, 11327715), (9, 10069080), (10, 9062172), (12, 7551810), (14, 6472980), (15, 6041448), (18, 5034540), (20, 4531086), (21, 4315320), (24, 3775905), (27, 3356360), (28, 3236490), (30, 3020724), (35, 2589192), (36, 2517270), (40, 2265543), (42, 2157660), (45, 2013816), (54, 1678180), (56, 1618245), (60, 1510362), (63, 1438440), (70, 1294596), (72, 1258635), (84, 1078830), (90, 1006908), (105, 863064), (108, 839090), (120, 755181), (126, 719220), (135, 671272), (140, 647298), (168, 539415), (180, 503454), (189, 479480), (210, 431532), (216, 419545), (252, 359610), (270, 335636), (280, 323649), (315, 287688), (360, 251727), (378, 239740), (420, 215766), (504, 179805), (540, 167818), (630, 143844), (756, 119870), (840, 107883), (945, 95896), (1080, 83909), (1260, 71922), (1512, 59935), (1890, 47948), (2520, 35961), (3780, 23974), (7560, 11987)]