25995420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:736

約数の個数: 144

約数和(自身を含む): 90679680

約数和(自身を除く): 64684260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 691, 836, 855, 990, 1045, 1140, 1254, 1382, 1710, 1881, 1980, 2073, 2090, 2508, 2764, 3135, 3420, 3455, 3762, 4146, 4180, 6219, 6270, 6910, 7524, 7601, 8292, 9405, 10365, 12438, 12540, 13129, 13820, 15202, 18810, 20730, 22803, 24876, 26258, 30404, 31095, 37620, 38005, 39387, 41460, 45606, 52516, 62190, 65645, 68409, 76010, 78774, 91212, 114015, 118161, 124380, 131290, 136818, 144419, 152020, 157548, 196935, 228030, 236322, 262580, 273636, 288838, 342045, 393870, 433257, 456060, 472644, 577676, 590805, 684090, 722095, 787740, 866514, 1181610, 1299771, 1368180, 1444190, 1733028, 2166285, 2363220, 2599542, 2888380, 4332570, 5199084, 6498855, 8665140, 12997710, 25995420]

約数ペア:

[(1, 25995420), (2, 12997710), (3, 8665140), (4, 6498855), (5, 5199084), (6, 4332570), (9, 2888380), (10, 2599542), (11, 2363220), (12, 2166285), (15, 1733028), (18, 1444190), (19, 1368180), (20, 1299771), (22, 1181610), (30, 866514), (33, 787740), (36, 722095), (38, 684090), (44, 590805), (45, 577676), (55, 472644), (57, 456060), (60, 433257), (66, 393870), (76, 342045), (90, 288838), (95, 273636), (99, 262580), (110, 236322), (114, 228030), (132, 196935), (165, 157548), (171, 152020), (180, 144419), (190, 136818), (198, 131290), (209, 124380), (220, 118161), (228, 114015), (285, 91212), (330, 78774), (342, 76010), (380, 68409), (396, 65645), (418, 62190), (495, 52516), (570, 45606), (627, 41460), (660, 39387), (684, 38005), (691, 37620), (836, 31095), (855, 30404), (990, 26258), (1045, 24876), (1140, 22803), (1254, 20730), (1382, 18810), (1710, 15202), (1881, 13820), (1980, 13129), (2073, 12540), (2090, 12438), (2508, 10365), (2764, 9405), (3135, 8292), (3420, 7601), (3455, 7524), (3762, 6910), (4146, 6270), (4180, 6219)]