212453820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20707}}^1$

素因数の和:20744

約数の個数: 96

約数和(自身を含む): 695788800

約数和(自身を除く): 483334980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 20707, 41414, 62121, 82828, 103535, 124242, 186363, 207070, 248484, 310605, 372726, 393433, 414140, 559089, 621210, 745452, 786866, 931815, 1118178, 1180299, 1242420, 1573732, 1863630, 1967165, 2236356, 2360598, 2795445, 3540897, 3727260, 3934330, 4721196, 5590890, 5901495, 7081794, 7868660, 10622691, 11181780, 11802990, 14163588, 17704485, 21245382, 23605980, 35408970, 42490764, 53113455, 70817940, 106226910, 212453820]

約数ペア:

[(1, 212453820), (2, 106226910), (3, 70817940), (4, 53113455), (5, 42490764), (6, 35408970), (9, 23605980), (10, 21245382), (12, 17704485), (15, 14163588), (18, 11802990), (19, 11181780), (20, 10622691), (27, 7868660), (30, 7081794), (36, 5901495), (38, 5590890), (45, 4721196), (54, 3934330), (57, 3727260), (60, 3540897), (76, 2795445), (90, 2360598), (95, 2236356), (108, 1967165), (114, 1863630), (135, 1573732), (171, 1242420), (180, 1180299), (190, 1118178), (228, 931815), (270, 786866), (285, 745452), (342, 621210), (380, 559089), (513, 414140), (540, 393433), (570, 372726), (684, 310605), (855, 248484), (1026, 207070), (1140, 186363), (1710, 124242), (2052, 103535), (2565, 82828), (3420, 62121), (5130, 41414), (10260, 20707)]