131445720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{17387}}^1$

素因数の和:17414

約数の個数: 128

約数和(自身を含む): 500774400

約数和(自身を除く): 369328680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 17387, 34774, 52161, 69548, 86935, 104322, 121709, 139096, 156483, 173870, 208644, 243418, 260805, 312966, 347740, 365127, 417288, 469449, 486836, 521610, 608545, 625932, 695480, 730254, 782415, 938898, 973672, 1043220, 1095381, 1217090, 1251864, 1460508, 1564830, 1825635, 1877796, 2086440, 2190762, 2347245, 2434180, 2921016, 3129660, 3286143, 3651270, 3755592, 4381524, 4694490, 4868360, 5476905, 6259320, 6572286, 7302540, 8763048, 9388980, 10953810, 13144572, 14605080, 16430715, 18777960, 21907620, 26289144, 32861430, 43815240, 65722860, 131445720]

約数ペア:

[(1, 131445720), (2, 65722860), (3, 43815240), (4, 32861430), (5, 26289144), (6, 21907620), (7, 18777960), (8, 16430715), (9, 14605080), (10, 13144572), (12, 10953810), (14, 9388980), (15, 8763048), (18, 7302540), (20, 6572286), (21, 6259320), (24, 5476905), (27, 4868360), (28, 4694490), (30, 4381524), (35, 3755592), (36, 3651270), (40, 3286143), (42, 3129660), (45, 2921016), (54, 2434180), (56, 2347245), (60, 2190762), (63, 2086440), (70, 1877796), (72, 1825635), (84, 1564830), (90, 1460508), (105, 1251864), (108, 1217090), (120, 1095381), (126, 1043220), (135, 973672), (140, 938898), (168, 782415), (180, 730254), (189, 695480), (210, 625932), (216, 608545), (252, 521610), (270, 486836), (280, 469449), (315, 417288), (360, 365127), (378, 347740), (420, 312966), (504, 260805), (540, 243418), (630, 208644), (756, 173870), (840, 156483), (945, 139096), (1080, 121709), (1260, 104322), (1512, 86935), (1890, 69548), (2520, 52161), (3780, 34774), (7560, 17387)]