1639231740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109721}}^1$

素因数の和:109819

約数の個数: 72

約数和(自身を含む): 5032289808

約数和(自身を除く): 3393058068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 14940, 109721, 219442, 329163, 438884, 548605, 658326, 987489, 1097210, 1316652, 1645815, 1974978, 2194420, 3291630, 3949956, 4937445, 6583260, 9106843, 9874890, 18213686, 19749780, 27320529, 36427372, 45534215, 54641058, 81961587, 91068430, 109282116, 136602645, 163923174, 182136860, 273205290, 327846348, 409807935, 546410580, 819615870, 1639231740]

約数ペア:

[(1, 1639231740), (2, 819615870), (3, 546410580), (4, 409807935), (5, 327846348), (6, 273205290), (9, 182136860), (10, 163923174), (12, 136602645), (15, 109282116), (18, 91068430), (20, 81961587), (30, 54641058), (36, 45534215), (45, 36427372), (60, 27320529), (83, 19749780), (90, 18213686), (166, 9874890), (180, 9106843), (249, 6583260), (332, 4937445), (415, 3949956), (498, 3291630), (747, 2194420), (830, 1974978), (996, 1645815), (1245, 1316652), (1494, 1097210), (1660, 987489), (2490, 658326), (2988, 548605), (3735, 438884), (4980, 329163), (7470, 219442), (14940, 109721)]