25243020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 216

約数和(自身を含む): 90046320

約数和(自身を除く): 64803300

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, 61, 66, 76, 90, 95, 99, 110, 114, 121, 122, 132, 165, 171, 180, 183, 190, 198, 209, 220, 228, 242, 244, 285, 305, 330, 342, 363, 366, 380, 396, 418, 484, 495, 549, 570, 605, 610, 627, 660, 671, 684, 726, 732, 836, 855, 915, 990, 1045, 1089, 1098, 1140, 1159, 1210, 1220, 1254, 1342, 1452, 1710, 1815, 1830, 1881, 1980, 2013, 2090, 2178, 2196, 2299, 2318, 2420, 2508, 2684, 2745, 3135, 3355, 3420, 3477, 3630, 3660, 3762, 4026, 4180, 4356, 4598, 4636, 5445, 5490, 5795, 6039, 6270, 6710, 6897, 6954, 7260, 7381, 7524, 8052, 9196, 9405, 10065, 10431, 10890, 10980, 11495, 11590, 12078, 12540, 12749, 13420, 13794, 13908, 14762, 17385, 18810, 20130, 20691, 20862, 21780, 22143, 22990, 23180, 24156, 25498, 27588, 29524, 30195, 34485, 34770, 36905, 37620, 38247, 40260, 41382, 41724, 44286, 45980, 50996, 52155, 60390, 63745, 66429, 68970, 69540, 73810, 76494, 82764, 88572, 103455, 104310, 110715, 114741, 120780, 127490, 132858, 137940, 140239, 147620, 152988, 191235, 206910, 208620, 221430, 229482, 254980, 265716, 280478, 332145, 382470, 413820, 420717, 442860, 458964, 560956, 573705, 664290, 701195, 764940, 841434, 1147410, 1262151, 1328580, 1402390, 1682868, 2103585, 2294820, 2524302, 2804780, 4207170, 5048604, 6310755, 8414340, 12621510, 25243020]

約数ペア:

[(1, 25243020), (2, 12621510), (3, 8414340), (4, 6310755), (5, 5048604), (6, 4207170), (9, 2804780), (10, 2524302), (11, 2294820), (12, 2103585), (15, 1682868), (18, 1402390), (19, 1328580), (20, 1262151), (22, 1147410), (30, 841434), (33, 764940), (36, 701195), (38, 664290), (44, 573705), (45, 560956), (55, 458964), (57, 442860), (60, 420717), (61, 413820), (66, 382470), (76, 332145), (90, 280478), (95, 265716), (99, 254980), (110, 229482), (114, 221430), (121, 208620), (122, 206910), (132, 191235), (165, 152988), (171, 147620), (180, 140239), (183, 137940), (190, 132858), (198, 127490), (209, 120780), (220, 114741), (228, 110715), (242, 104310), (244, 103455), (285, 88572), (305, 82764), (330, 76494), (342, 73810), (363, 69540), (366, 68970), (380, 66429), (396, 63745), (418, 60390), (484, 52155), (495, 50996), (549, 45980), (570, 44286), (605, 41724), (610, 41382), (627, 40260), (660, 38247), (671, 37620), (684, 36905), (726, 34770), (732, 34485), (836, 30195), (855, 29524), (915, 27588), (990, 25498), (1045, 24156), (1089, 23180), (1098, 22990), (1140, 22143), (1159, 21780), (1210, 20862), (1220, 20691), (1254, 20130), (1342, 18810), (1452, 17385), (1710, 14762), (1815, 13908), (1830, 13794), (1881, 13420), (1980, 12749), (2013, 12540), (2090, 12078), (2178, 11590), (2196, 11495), (2299, 10980), (2318, 10890), (2420, 10431), (2508, 10065), (2684, 9405), (2745, 9196), (3135, 8052), (3355, 7524), (3420, 7381), (3477, 7260), (3630, 6954), (3660, 6897), (3762, 6710), (4026, 6270), (4180, 6039), (4356, 5795), (4598, 5490), (4636, 5445)]