218553390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1340

約数の個数: 160

約数和(自身を含む): 675354240

約数和(自身を除く): 456800850

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 27, 30, 33, 38, 45, 54, 55, 57, 66, 81, 90, 95, 99, 110, 114, 135, 162, 165, 171, 190, 198, 209, 270, 285, 297, 330, 342, 405, 418, 495, 513, 570, 594, 627, 810, 855, 891, 990, 1026, 1045, 1254, 1291, 1485, 1539, 1710, 1782, 1881, 2090, 2565, 2582, 2970, 3078, 3135, 3762, 3873, 4455, 5130, 5643, 6270, 6455, 7695, 7746, 8910, 9405, 11286, 11619, 12910, 14201, 15390, 16929, 18810, 19365, 23238, 24529, 28215, 28402, 33858, 34857, 38730, 42603, 49058, 56430, 58095, 69714, 71005, 73587, 84645, 85206, 104571, 116190, 122645, 127809, 142010, 147174, 169290, 174285, 209142, 213015, 220761, 245290, 255618, 269819, 348570, 367935, 383427, 426030, 441522, 522855, 539638, 639045, 662283, 735870, 766854, 809457, 1045710, 1103805, 1150281, 1278090, 1324566, 1349095, 1618914, 1917135, 1986849, 2207610, 2300562, 2428371, 2698190, 3311415, 3834270, 3973698, 4047285, 4856742, 5751405, 6622830, 7285113, 8094570, 9934245, 11502810, 12141855, 14570226, 19868490, 21855339, 24283710, 36425565, 43710678, 72851130, 109276695, 218553390]

約数ペア:

[(1, 218553390), (2, 109276695), (3, 72851130), (5, 43710678), (6, 36425565), (9, 24283710), (10, 21855339), (11, 19868490), (15, 14570226), (18, 12141855), (19, 11502810), (22, 9934245), (27, 8094570), (30, 7285113), (33, 6622830), (38, 5751405), (45, 4856742), (54, 4047285), (55, 3973698), (57, 3834270), (66, 3311415), (81, 2698190), (90, 2428371), (95, 2300562), (99, 2207610), (110, 1986849), (114, 1917135), (135, 1618914), (162, 1349095), (165, 1324566), (171, 1278090), (190, 1150281), (198, 1103805), (209, 1045710), (270, 809457), (285, 766854), (297, 735870), (330, 662283), (342, 639045), (405, 539638), (418, 522855), (495, 441522), (513, 426030), (570, 383427), (594, 367935), (627, 348570), (810, 269819), (855, 255618), (891, 245290), (990, 220761), (1026, 213015), (1045, 209142), (1254, 174285), (1291, 169290), (1485, 147174), (1539, 142010), (1710, 127809), (1782, 122645), (1881, 116190), (2090, 104571), (2565, 85206), (2582, 84645), (2970, 73587), (3078, 71005), (3135, 69714), (3762, 58095), (3873, 56430), (4455, 49058), (5130, 42603), (5643, 38730), (6270, 34857), (6455, 33858), (7695, 28402), (7746, 28215), (8910, 24529), (9405, 23238), (11286, 19365), (11619, 18810), (12910, 16929), (14201, 15390)]