138393720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20233}}^1$

素因数の和:20269

約数の個数: 96

約数和(自身を含む): 473475600

約数和(自身を除く): 335081880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 20233, 40466, 60699, 80932, 101165, 121398, 161864, 182097, 202330, 242796, 303495, 364194, 384427, 404660, 485592, 606990, 728388, 768854, 809320, 910485, 1153281, 1213980, 1456776, 1537708, 1820970, 1922135, 2306562, 2427960, 3075416, 3459843, 3641940, 3844270, 4613124, 5766405, 6919686, 7283880, 7688540, 9226248, 11532810, 13839372, 15377080, 17299215, 23065620, 27678744, 34598430, 46131240, 69196860, 138393720]

約数ペア:

[(1, 138393720), (2, 69196860), (3, 46131240), (4, 34598430), (5, 27678744), (6, 23065620), (8, 17299215), (9, 15377080), (10, 13839372), (12, 11532810), (15, 9226248), (18, 7688540), (19, 7283880), (20, 6919686), (24, 5766405), (30, 4613124), (36, 3844270), (38, 3641940), (40, 3459843), (45, 3075416), (57, 2427960), (60, 2306562), (72, 1922135), (76, 1820970), (90, 1537708), (95, 1456776), (114, 1213980), (120, 1153281), (152, 910485), (171, 809320), (180, 768854), (190, 728388), (228, 606990), (285, 485592), (342, 404660), (360, 384427), (380, 364194), (456, 303495), (570, 242796), (684, 202330), (760, 182097), (855, 161864), (1140, 121398), (1368, 101165), (1710, 80932), (2280, 60699), (3420, 40466), (6840, 20233)]