251117820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{409}}^1$

素因数の和:809

約数の個数: 120

約数和(自身を含む): 791775600

約数和(自身を除く): 540657780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 379, 405, 409, 540, 758, 810, 818, 1137, 1227, 1516, 1620, 1636, 1895, 2045, 2274, 2454, 3411, 3681, 3790, 4090, 4548, 4908, 5685, 6135, 6822, 7362, 7580, 8180, 10233, 11043, 11370, 12270, 13644, 14724, 17055, 18405, 20466, 22086, 22740, 24540, 30699, 33129, 34110, 36810, 40932, 44172, 51165, 55215, 61398, 66258, 68220, 73620, 102330, 110430, 122796, 132516, 153495, 155011, 165645, 204660, 220860, 306990, 310022, 331290, 465033, 613980, 620044, 662580, 775055, 930066, 1395099, 1550110, 1860132, 2325165, 2790198, 3100220, 4185297, 4650330, 5580396, 6975495, 8370594, 9300660, 12555891, 13950990, 16741188, 20926485, 25111782, 27901980, 41852970, 50223564, 62779455, 83705940, 125558910, 251117820]

約数ペア:

[(1, 251117820), (2, 125558910), (3, 83705940), (4, 62779455), (5, 50223564), (6, 41852970), (9, 27901980), (10, 25111782), (12, 20926485), (15, 16741188), (18, 13950990), (20, 12555891), (27, 9300660), (30, 8370594), (36, 6975495), (45, 5580396), (54, 4650330), (60, 4185297), (81, 3100220), (90, 2790198), (108, 2325165), (135, 1860132), (162, 1550110), (180, 1395099), (270, 930066), (324, 775055), (379, 662580), (405, 620044), (409, 613980), (540, 465033), (758, 331290), (810, 310022), (818, 306990), (1137, 220860), (1227, 204660), (1516, 165645), (1620, 155011), (1636, 153495), (1895, 132516), (2045, 122796), (2274, 110430), (2454, 102330), (3411, 73620), (3681, 68220), (3790, 66258), (4090, 61398), (4548, 55215), (4908, 51165), (5685, 44172), (6135, 40932), (6822, 36810), (7362, 34110), (7580, 33129), (8180, 30699), (10233, 24540), (11043, 22740), (11370, 22086), (12270, 20466), (13644, 18405), (14724, 17055)]