209581020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:670

約数の個数: 240

約数和(自身を含む): 756201600

約数和(自身を除く): 546620580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 33, 36, 38, 44, 45, 54, 55, 57, 60, 66, 76, 81, 90, 95, 99, 108, 110, 114, 132, 135, 162, 165, 171, 180, 190, 198, 209, 220, 228, 270, 285, 297, 324, 330, 342, 380, 396, 405, 418, 495, 513, 540, 570, 594, 619, 627, 660, 684, 810, 836, 855, 891, 990, 1026, 1045, 1140, 1188, 1238, 1254, 1485, 1539, 1620, 1710, 1782, 1857, 1881, 1980, 2052, 2090, 2476, 2508, 2565, 2970, 3078, 3095, 3135, 3420, 3564, 3714, 3762, 4180, 4455, 5130, 5571, 5643, 5940, 6156, 6190, 6270, 6809, 7428, 7524, 7695, 8910, 9285, 9405, 10260, 11142, 11286, 11761, 12380, 12540, 13618, 15390, 16713, 16929, 17820, 18570, 18810, 20427, 22284, 22572, 23522, 27236, 27855, 28215, 30780, 33426, 33858, 34045, 35283, 37140, 37620, 40854, 47044, 50139, 55710, 56430, 58805, 61281, 66852, 67716, 68090, 70566, 81708, 83565, 84645, 100278, 102135, 105849, 111420, 112860, 117610, 122562, 129371, 136180, 141132, 167130, 169290, 176415, 183843, 200556, 204270, 211698, 235220, 245124, 250695, 258742, 306405, 317547, 334260, 338580, 352830, 367686, 388113, 408540, 423396, 501390, 517484, 529245, 551529, 612810, 635094, 646855, 705660, 735372, 776226, 919215, 952641, 1002780, 1058490, 1103058, 1164339, 1225620, 1270188, 1293710, 1552452, 1587735, 1838430, 1905282, 1940565, 2116980, 2206116, 2328678, 2587420, 2757645, 3175470, 3493017, 3676860, 3810564, 3881130, 4657356, 4763205, 5515290, 5821695, 6350940, 6986034, 7762260, 9526410, 10479051, 11030580, 11643390, 13972068, 17465085, 19052820, 20958102, 23286780, 34930170, 41916204, 52395255, 69860340, 104790510, 209581020]

約数ペア:

[(1, 209581020), (2, 104790510), (3, 69860340), (4, 52395255), (5, 41916204), (6, 34930170), (9, 23286780), (10, 20958102), (11, 19052820), (12, 17465085), (15, 13972068), (18, 11643390), (19, 11030580), (20, 10479051), (22, 9526410), (27, 7762260), (30, 6986034), (33, 6350940), (36, 5821695), (38, 5515290), (44, 4763205), (45, 4657356), (54, 3881130), (55, 3810564), (57, 3676860), (60, 3493017), (66, 3175470), (76, 2757645), (81, 2587420), (90, 2328678), (95, 2206116), (99, 2116980), (108, 1940565), (110, 1905282), (114, 1838430), (132, 1587735), (135, 1552452), (162, 1293710), (165, 1270188), (171, 1225620), (180, 1164339), (190, 1103058), (198, 1058490), (209, 1002780), (220, 952641), (228, 919215), (270, 776226), (285, 735372), (297, 705660), (324, 646855), (330, 635094), (342, 612810), (380, 551529), (396, 529245), (405, 517484), (418, 501390), (495, 423396), (513, 408540), (540, 388113), (570, 367686), (594, 352830), (619, 338580), (627, 334260), (660, 317547), (684, 306405), (810, 258742), (836, 250695), (855, 245124), (891, 235220), (990, 211698), (1026, 204270), (1045, 200556), (1140, 183843), (1188, 176415), (1238, 169290), (1254, 167130), (1485, 141132), (1539, 136180), (1620, 129371), (1710, 122562), (1782, 117610), (1857, 112860), (1881, 111420), (1980, 105849), (2052, 102135), (2090, 100278), (2476, 84645), (2508, 83565), (2565, 81708), (2970, 70566), (3078, 68090), (3095, 67716), (3135, 66852), (3420, 61281), (3564, 58805), (3714, 56430), (3762, 55710), (4180, 50139), (4455, 47044), (5130, 40854), (5571, 37620), (5643, 37140), (5940, 35283), (6156, 34045), (6190, 33858), (6270, 33426), (6809, 30780), (7428, 28215), (7524, 27855), (7695, 27236), (8910, 23522), (9285, 22572), (9405, 22284), (10260, 20427), (11142, 18810), (11286, 18570), (11761, 17820), (12380, 16929), (12540, 16713), (13618, 15390)]