15240240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:427

約数の個数: 120

約数和(自身を含む): 52170768

約数和(自身を除く): 36930528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 347, 360, 366, 488, 549, 610, 694, 720, 732, 915, 976, 1041, 1098, 1220, 1388, 1464, 1735, 1830, 2082, 2196, 2440, 2745, 2776, 2928, 3123, 3470, 3660, 4164, 4392, 4880, 5205, 5490, 5552, 6246, 6940, 7320, 8328, 8784, 10410, 10980, 12492, 13880, 14640, 15615, 16656, 20820, 21167, 21960, 24984, 27760, 31230, 41640, 42334, 43920, 49968, 62460, 63501, 83280, 84668, 105835, 124920, 127002, 169336, 190503, 211670, 249840, 254004, 317505, 338672, 381006, 423340, 508008, 635010, 762012, 846680, 952515, 1016016, 1270020, 1524024, 1693360, 1905030, 2540040, 3048048, 3810060, 5080080, 7620120, 15240240]

約数ペア:

[(1, 15240240), (2, 7620120), (3, 5080080), (4, 3810060), (5, 3048048), (6, 2540040), (8, 1905030), (9, 1693360), (10, 1524024), (12, 1270020), (15, 1016016), (16, 952515), (18, 846680), (20, 762012), (24, 635010), (30, 508008), (36, 423340), (40, 381006), (45, 338672), (48, 317505), (60, 254004), (61, 249840), (72, 211670), (80, 190503), (90, 169336), (120, 127002), (122, 124920), (144, 105835), (180, 84668), (183, 83280), (240, 63501), (244, 62460), (305, 49968), (347, 43920), (360, 42334), (366, 41640), (488, 31230), (549, 27760), (610, 24984), (694, 21960), (720, 21167), (732, 20820), (915, 16656), (976, 15615), (1041, 14640), (1098, 13880), (1220, 12492), (1388, 10980), (1464, 10410), (1735, 8784), (1830, 8328), (2082, 7320), (2196, 6940), (2440, 6246), (2745, 5552), (2776, 5490), (2928, 5205), (3123, 4880), (3470, 4392), (3660, 4164)]