51953220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1426

約数の個数: 144

約数和(自身を含む): 181097280

約数和(自身を除く): 129144060

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, 836, 855, 990, 1045, 1140, 1254, 1381, 1710, 1881, 1980, 2090, 2508, 2762, 3135, 3420, 3762, 4143, 4180, 5524, 6270, 6905, 7524, 8286, 9405, 12429, 12540, 13810, 15191, 16572, 18810, 20715, 24858, 26239, 27620, 30382, 37620, 41430, 45573, 49716, 52478, 60764, 62145, 75955, 78717, 82860, 91146, 104956, 124290, 131195, 136719, 151910, 157434, 182292, 227865, 236151, 248580, 262390, 273438, 288629, 303820, 314868, 393585, 455730, 472302, 524780, 546876, 577258, 683595, 787170, 865887, 911460, 944604, 1154516, 1180755, 1367190, 1443145, 1574340, 1731774, 2361510, 2597661, 2734380, 2886290, 3463548, 4329435, 4723020, 5195322, 5772580, 8658870, 10390644, 12988305, 17317740, 25976610, 51953220]

約数ペア:

[(1, 51953220), (2, 25976610), (3, 17317740), (4, 12988305), (5, 10390644), (6, 8658870), (9, 5772580), (10, 5195322), (11, 4723020), (12, 4329435), (15, 3463548), (18, 2886290), (19, 2734380), (20, 2597661), (22, 2361510), (30, 1731774), (33, 1574340), (36, 1443145), (38, 1367190), (44, 1180755), (45, 1154516), (55, 944604), (57, 911460), (60, 865887), (66, 787170), (76, 683595), (90, 577258), (95, 546876), (99, 524780), (110, 472302), (114, 455730), (132, 393585), (165, 314868), (171, 303820), (180, 288629), (190, 273438), (198, 262390), (209, 248580), (220, 236151), (228, 227865), (285, 182292), (330, 157434), (342, 151910), (380, 136719), (396, 131195), (418, 124290), (495, 104956), (570, 91146), (627, 82860), (660, 78717), (684, 75955), (836, 62145), (855, 60764), (990, 52478), (1045, 49716), (1140, 45573), (1254, 41430), (1381, 37620), (1710, 30382), (1881, 27620), (1980, 26239), (2090, 24858), (2508, 20715), (2762, 18810), (3135, 16572), (3420, 15191), (3762, 13810), (4143, 12540), (4180, 12429), (5524, 9405), (6270, 8286), (6905, 7524)]