131364720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1080

約数の個数: 160

約数和(自身を含む): 460357440

約数和(自身を除く): 328992720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 90, 108, 120, 122, 135, 144, 180, 183, 216, 240, 244, 270, 305, 360, 366, 432, 488, 540, 549, 610, 720, 732, 915, 976, 997, 1080, 1098, 1220, 1464, 1647, 1830, 1994, 2160, 2196, 2440, 2745, 2928, 2991, 3294, 3660, 3988, 4392, 4880, 4985, 5490, 5982, 6588, 7320, 7976, 8235, 8784, 8973, 9970, 10980, 11964, 13176, 14640, 14955, 15952, 16470, 17946, 19940, 21960, 23928, 26352, 26919, 29910, 32940, 35892, 39880, 43920, 44865, 47856, 53838, 59820, 60817, 65880, 71784, 79760, 89730, 107676, 119640, 121634, 131760, 134595, 143568, 179460, 182451, 215352, 239280, 243268, 269190, 304085, 358920, 364902, 430704, 486536, 538380, 547353, 608170, 717840, 729804, 912255, 973072, 1076760, 1094706, 1216340, 1459608, 1642059, 1824510, 2153520, 2189412, 2432680, 2736765, 2919216, 3284118, 3649020, 4378824, 4865360, 5473530, 6568236, 7298040, 8210295, 8757648, 10947060, 13136472, 14596080, 16420590, 21894120, 26272944, 32841180, 43788240, 65682360, 131364720]

約数ペア:

[(1, 131364720), (2, 65682360), (3, 43788240), (4, 32841180), (5, 26272944), (6, 21894120), (8, 16420590), (9, 14596080), (10, 13136472), (12, 10947060), (15, 8757648), (16, 8210295), (18, 7298040), (20, 6568236), (24, 5473530), (27, 4865360), (30, 4378824), (36, 3649020), (40, 3284118), (45, 2919216), (48, 2736765), (54, 2432680), (60, 2189412), (61, 2153520), (72, 1824510), (80, 1642059), (90, 1459608), (108, 1216340), (120, 1094706), (122, 1076760), (135, 973072), (144, 912255), (180, 729804), (183, 717840), (216, 608170), (240, 547353), (244, 538380), (270, 486536), (305, 430704), (360, 364902), (366, 358920), (432, 304085), (488, 269190), (540, 243268), (549, 239280), (610, 215352), (720, 182451), (732, 179460), (915, 143568), (976, 134595), (997, 131760), (1080, 121634), (1098, 119640), (1220, 107676), (1464, 89730), (1647, 79760), (1830, 71784), (1994, 65880), (2160, 60817), (2196, 59820), (2440, 53838), (2745, 47856), (2928, 44865), (2991, 43920), (3294, 39880), (3660, 35892), (3988, 32940), (4392, 29910), (4880, 26919), (4985, 26352), (5490, 23928), (5982, 21960), (6588, 19940), (7320, 17946), (7976, 16470), (8235, 15952), (8784, 14955), (8973, 14640), (9970, 13176), (10980, 11964)]