81159840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{18787}}^1$

素因数の和:18811

約数の個数: 96

約数和(自身を含む): 284074560

約数和(自身を除く): 202914720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 18787, 37574, 56361, 75148, 93935, 112722, 150296, 169083, 187870, 225444, 281805, 300592, 338166, 375740, 450888, 507249, 563610, 601184, 676332, 751480, 845415, 901776, 1014498, 1127220, 1352664, 1502960, 1690830, 1803552, 2028996, 2254440, 2536245, 2705328, 3005920, 3381660, 4057992, 4508880, 5072490, 5410656, 6763320, 8115984, 9017760, 10144980, 13526640, 16231968, 20289960, 27053280, 40579920, 81159840]

約数ペア:

[(1, 81159840), (2, 40579920), (3, 27053280), (4, 20289960), (5, 16231968), (6, 13526640), (8, 10144980), (9, 9017760), (10, 8115984), (12, 6763320), (15, 5410656), (16, 5072490), (18, 4508880), (20, 4057992), (24, 3381660), (27, 3005920), (30, 2705328), (32, 2536245), (36, 2254440), (40, 2028996), (45, 1803552), (48, 1690830), (54, 1502960), (60, 1352664), (72, 1127220), (80, 1014498), (90, 901776), (96, 845415), (108, 751480), (120, 676332), (135, 601184), (144, 563610), (160, 507249), (180, 450888), (216, 375740), (240, 338166), (270, 300592), (288, 281805), (360, 225444), (432, 187870), (480, 169083), (540, 150296), (720, 112722), (864, 93935), (1080, 75148), (1440, 56361), (2160, 37574), (4320, 18787)]