30786840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:686

約数の個数: 192

約数和(自身を含む): 120556800

約数和(自身を除く): 89769960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 643, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1286, 1330, 1368, 1596, 1710, 1929, 1995, 2280, 2394, 2520, 2572, 2660, 3192, 3215, 3420, 3858, 3990, 4501, 4788, 5144, 5320, 5787, 5985, 6430, 6840, 7716, 7980, 9002, 9576, 9645, 11574, 11970, 12217, 12860, 13503, 15432, 15960, 18004, 19290, 22505, 23148, 23940, 24434, 25720, 27006, 28935, 36008, 36651, 38580, 40509, 45010, 46296, 47880, 48868, 54012, 57870, 61085, 67515, 73302, 77160, 81018, 85519, 90020, 97736, 108024, 109953, 115740, 122170, 135030, 146604, 162036, 171038, 180040, 183255, 202545, 219906, 231480, 244340, 256557, 270060, 293208, 324072, 342076, 366510, 405090, 427595, 439812, 488680, 513114, 540120, 549765, 684152, 733020, 769671, 810180, 855190, 879624, 1026228, 1099530, 1282785, 1466040, 1539342, 1620360, 1710380, 2052456, 2199060, 2565570, 3078684, 3420760, 3848355, 4398120, 5131140, 6157368, 7696710, 10262280, 15393420, 30786840]

約数ペア:

[(1, 30786840), (2, 15393420), (3, 10262280), (4, 7696710), (5, 6157368), (6, 5131140), (7, 4398120), (8, 3848355), (9, 3420760), (10, 3078684), (12, 2565570), (14, 2199060), (15, 2052456), (18, 1710380), (19, 1620360), (20, 1539342), (21, 1466040), (24, 1282785), (28, 1099530), (30, 1026228), (35, 879624), (36, 855190), (38, 810180), (40, 769671), (42, 733020), (45, 684152), (56, 549765), (57, 540120), (60, 513114), (63, 488680), (70, 439812), (72, 427595), (76, 405090), (84, 366510), (90, 342076), (95, 324072), (105, 293208), (114, 270060), (120, 256557), (126, 244340), (133, 231480), (140, 219906), (152, 202545), (168, 183255), (171, 180040), (180, 171038), (190, 162036), (210, 146604), (228, 135030), (252, 122170), (266, 115740), (280, 109953), (285, 108024), (315, 97736), (342, 90020), (360, 85519), (380, 81018), (399, 77160), (420, 73302), (456, 67515), (504, 61085), (532, 57870), (570, 54012), (630, 48868), (643, 47880), (665, 46296), (684, 45010), (760, 40509), (798, 38580), (840, 36651), (855, 36008), (1064, 28935), (1140, 27006), (1197, 25720), (1260, 24434), (1286, 23940), (1330, 23148), (1368, 22505), (1596, 19290), (1710, 18004), (1929, 15960), (1995, 15432), (2280, 13503), (2394, 12860), (2520, 12217), (2572, 11970), (2660, 11574), (3192, 9645), (3215, 9576), (3420, 9002), (3858, 7980), (3990, 7716), (4501, 6840), (4788, 6430), (5144, 5985), (5320, 5787)]