15393420

素因数分解:

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

素因数の和:684

約数の個数: 144

約数和(自身を含む): 56259840

約数和(自身を除く): 40866420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 643, 665, 684, 798, 855, 1140, 1197, 1260, 1286, 1330, 1596, 1710, 1929, 1995, 2394, 2572, 2660, 3215, 3420, 3858, 3990, 4501, 4788, 5787, 5985, 6430, 7716, 7980, 9002, 9645, 11574, 11970, 12217, 12860, 13503, 18004, 19290, 22505, 23148, 23940, 24434, 27006, 28935, 36651, 38580, 40509, 45010, 48868, 54012, 57870, 61085, 67515, 73302, 81018, 85519, 90020, 109953, 115740, 122170, 135030, 146604, 162036, 171038, 183255, 202545, 219906, 244340, 256557, 270060, 342076, 366510, 405090, 427595, 439812, 513114, 549765, 733020, 769671, 810180, 855190, 1026228, 1099530, 1282785, 1539342, 1710380, 2199060, 2565570, 3078684, 3848355, 5131140, 7696710, 15393420]

約数ペア:

[(1, 15393420), (2, 7696710), (3, 5131140), (4, 3848355), (5, 3078684), (6, 2565570), (7, 2199060), (9, 1710380), (10, 1539342), (12, 1282785), (14, 1099530), (15, 1026228), (18, 855190), (19, 810180), (20, 769671), (21, 733020), (28, 549765), (30, 513114), (35, 439812), (36, 427595), (38, 405090), (42, 366510), (45, 342076), (57, 270060), (60, 256557), (63, 244340), (70, 219906), (76, 202545), (84, 183255), (90, 171038), (95, 162036), (105, 146604), (114, 135030), (126, 122170), (133, 115740), (140, 109953), (171, 90020), (180, 85519), (190, 81018), (210, 73302), (228, 67515), (252, 61085), (266, 57870), (285, 54012), (315, 48868), (342, 45010), (380, 40509), (399, 38580), (420, 36651), (532, 28935), (570, 27006), (630, 24434), (643, 23940), (665, 23148), (684, 22505), (798, 19290), (855, 18004), (1140, 13503), (1197, 12860), (1260, 12217), (1286, 11970), (1330, 11574), (1596, 9645), (1710, 9002), (1929, 7980), (1995, 7716), (2394, 6430), (2572, 5985), (2660, 5787), (3215, 4788), (3420, 4501), (3858, 3990)]