80217240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:417

約数の個数: 128

約数和(自身を含む): 256089600

約数和(自身を除く): 175872360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 151, 152, 190, 228, 233, 285, 302, 380, 453, 456, 466, 570, 604, 699, 755, 760, 906, 932, 1140, 1165, 1208, 1398, 1510, 1812, 1864, 2265, 2280, 2330, 2796, 2869, 3020, 3495, 3624, 4427, 4530, 4660, 5592, 5738, 6040, 6990, 8607, 8854, 9060, 9320, 11476, 13281, 13980, 14345, 17214, 17708, 18120, 22135, 22952, 26562, 27960, 28690, 34428, 35183, 35416, 43035, 44270, 53124, 57380, 66405, 68856, 70366, 86070, 88540, 105549, 106248, 114760, 132810, 140732, 172140, 175915, 177080, 211098, 265620, 281464, 344280, 351830, 422196, 527745, 531240, 668477, 703660, 844392, 1055490, 1336954, 1407320, 2005431, 2110980, 2673908, 3342385, 4010862, 4221960, 5347816, 6684770, 8021724, 10027155, 13369540, 16043448, 20054310, 26739080, 40108620, 80217240]

約数ペア:

[(1, 80217240), (2, 40108620), (3, 26739080), (4, 20054310), (5, 16043448), (6, 13369540), (8, 10027155), (10, 8021724), (12, 6684770), (15, 5347816), (19, 4221960), (20, 4010862), (24, 3342385), (30, 2673908), (38, 2110980), (40, 2005431), (57, 1407320), (60, 1336954), (76, 1055490), (95, 844392), (114, 703660), (120, 668477), (151, 531240), (152, 527745), (190, 422196), (228, 351830), (233, 344280), (285, 281464), (302, 265620), (380, 211098), (453, 177080), (456, 175915), (466, 172140), (570, 140732), (604, 132810), (699, 114760), (755, 106248), (760, 105549), (906, 88540), (932, 86070), (1140, 70366), (1165, 68856), (1208, 66405), (1398, 57380), (1510, 53124), (1812, 44270), (1864, 43035), (2265, 35416), (2280, 35183), (2330, 34428), (2796, 28690), (2869, 27960), (3020, 26562), (3495, 22952), (3624, 22135), (4427, 18120), (4530, 17708), (4660, 17214), (5592, 14345), (5738, 13980), (6040, 13281), (6990, 11476), (8607, 9320), (8854, 9060)]