255219780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{11783}}^1$

素因数の和:11833

約数の個数: 72

約数和(自身を含む): 754270272

約数和(自身を除く): 499050492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 1083, 1140, 1444, 1805, 2166, 3610, 4332, 5415, 7220, 10830, 11783, 21660, 23566, 35349, 47132, 58915, 70698, 117830, 141396, 176745, 223877, 235660, 353490, 447754, 671631, 706980, 895508, 1119385, 1343262, 2238770, 2686524, 3358155, 4253663, 4477540, 6716310, 8507326, 12760989, 13432620, 17014652, 21268315, 25521978, 42536630, 51043956, 63804945, 85073260, 127609890, 255219780]

約数ペア:

[(1, 255219780), (2, 127609890), (3, 85073260), (4, 63804945), (5, 51043956), (6, 42536630), (10, 25521978), (12, 21268315), (15, 17014652), (19, 13432620), (20, 12760989), (30, 8507326), (38, 6716310), (57, 4477540), (60, 4253663), (76, 3358155), (95, 2686524), (114, 2238770), (190, 1343262), (228, 1119385), (285, 895508), (361, 706980), (380, 671631), (570, 447754), (722, 353490), (1083, 235660), (1140, 223877), (1444, 176745), (1805, 141396), (2166, 117830), (3610, 70698), (4332, 58915), (5415, 47132), (7220, 35349), (10830, 23566), (11783, 21660)]