89998020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:875

約数の個数: 192

約数和(自身を含む): 331430400

約数和(自身を除く): 241432380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 174, 180, 189, 203, 210, 252, 261, 270, 290, 315, 348, 378, 406, 420, 435, 522, 540, 580, 609, 630, 756, 783, 812, 821, 870, 945, 1015, 1044, 1218, 1260, 1305, 1566, 1642, 1740, 1827, 1890, 2030, 2436, 2463, 2610, 3045, 3132, 3284, 3654, 3780, 3915, 4060, 4105, 4926, 5220, 5481, 5747, 6090, 7308, 7389, 7830, 8210, 9135, 9852, 10962, 11494, 12180, 12315, 14778, 15660, 16420, 17241, 18270, 21924, 22167, 22988, 23809, 24630, 27405, 28735, 29556, 34482, 36540, 36945, 44334, 47618, 49260, 51723, 54810, 57470, 68964, 71427, 73890, 86205, 88668, 95236, 103446, 109620, 110835, 114940, 119045, 142854, 147780, 155169, 166663, 172410, 206892, 214281, 221670, 238090, 258615, 285708, 310338, 333326, 344820, 357135, 428562, 443340, 476180, 499989, 517230, 620676, 642843, 666652, 714270, 775845, 833315, 857124, 999978, 1034460, 1071405, 1285686, 1428540, 1499967, 1551690, 1666630, 1999956, 2142810, 2499945, 2571372, 2999934, 3103380, 3214215, 3333260, 4285620, 4499901, 4999890, 5999868, 6428430, 7499835, 8999802, 9999780, 12856860, 14999670, 17999604, 22499505, 29999340, 44999010, 89998020]

約数ペア:

[(1, 89998020), (2, 44999010), (3, 29999340), (4, 22499505), (5, 17999604), (6, 14999670), (7, 12856860), (9, 9999780), (10, 8999802), (12, 7499835), (14, 6428430), (15, 5999868), (18, 4999890), (20, 4499901), (21, 4285620), (27, 3333260), (28, 3214215), (29, 3103380), (30, 2999934), (35, 2571372), (36, 2499945), (42, 2142810), (45, 1999956), (54, 1666630), (58, 1551690), (60, 1499967), (63, 1428540), (70, 1285686), (84, 1071405), (87, 1034460), (90, 999978), (105, 857124), (108, 833315), (116, 775845), (126, 714270), (135, 666652), (140, 642843), (145, 620676), (174, 517230), (180, 499989), (189, 476180), (203, 443340), (210, 428562), (252, 357135), (261, 344820), (270, 333326), (290, 310338), (315, 285708), (348, 258615), (378, 238090), (406, 221670), (420, 214281), (435, 206892), (522, 172410), (540, 166663), (580, 155169), (609, 147780), (630, 142854), (756, 119045), (783, 114940), (812, 110835), (821, 109620), (870, 103446), (945, 95236), (1015, 88668), (1044, 86205), (1218, 73890), (1260, 71427), (1305, 68964), (1566, 57470), (1642, 54810), (1740, 51723), (1827, 49260), (1890, 47618), (2030, 44334), (2436, 36945), (2463, 36540), (2610, 34482), (3045, 29556), (3132, 28735), (3284, 27405), (3654, 24630), (3780, 23809), (3915, 22988), (4060, 22167), (4105, 21924), (4926, 18270), (5220, 17241), (5481, 16420), (5747, 15660), (6090, 14778), (7308, 12315), (7389, 12180), (7830, 11494), (8210, 10962), (9135, 9852)]