80172900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:638

約数の個数: 108

約数和(自身を含む): 253043700

約数和(自身を除く): 172870800

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 229, 300, 389, 450, 458, 687, 778, 900, 916, 1145, 1167, 1374, 1556, 1945, 2061, 2290, 2334, 2748, 3435, 3501, 3890, 4122, 4580, 4668, 5725, 5835, 6870, 7002, 7780, 8244, 9725, 10305, 11450, 11670, 13740, 14004, 17175, 17505, 19450, 20610, 22900, 23340, 29175, 34350, 35010, 38900, 41220, 51525, 58350, 68700, 70020, 87525, 89081, 103050, 116700, 175050, 178162, 206100, 267243, 350100, 356324, 445405, 534486, 801729, 890810, 1068972, 1336215, 1603458, 1781620, 2227025, 2672430, 3206916, 4008645, 4454050, 5344860, 6681075, 8017290, 8908100, 13362150, 16034580, 20043225, 26724300, 40086450, 80172900]

約数ペア:

[(1, 80172900), (2, 40086450), (3, 26724300), (4, 20043225), (5, 16034580), (6, 13362150), (9, 8908100), (10, 8017290), (12, 6681075), (15, 5344860), (18, 4454050), (20, 4008645), (25, 3206916), (30, 2672430), (36, 2227025), (45, 1781620), (50, 1603458), (60, 1336215), (75, 1068972), (90, 890810), (100, 801729), (150, 534486), (180, 445405), (225, 356324), (229, 350100), (300, 267243), (389, 206100), (450, 178162), (458, 175050), (687, 116700), (778, 103050), (900, 89081), (916, 87525), (1145, 70020), (1167, 68700), (1374, 58350), (1556, 51525), (1945, 41220), (2061, 38900), (2290, 35010), (2334, 34350), (2748, 29175), (3435, 23340), (3501, 22900), (3890, 20610), (4122, 19450), (4580, 17505), (4668, 17175), (5725, 14004), (5835, 13740), (6870, 11670), (7002, 11450), (7780, 10305), (8244, 9725)]