15240120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{18143}}^1$

素因数の和:18164

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 37014600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 18143, 36286, 54429, 72572, 90715, 108858, 127001, 145144, 181430, 217716, 254002, 272145, 362860, 381003, 435432, 508004, 544290, 635005, 725720, 762006, 1016008, 1088580, 1270010, 1524012, 1905015, 2177160, 2540020, 3048024, 3810030, 5080040, 7620060, 15240120]

約数ペア:

[(1, 15240120), (2, 7620060), (3, 5080040), (4, 3810030), (5, 3048024), (6, 2540020), (7, 2177160), (8, 1905015), (10, 1524012), (12, 1270010), (14, 1088580), (15, 1016008), (20, 762006), (21, 725720), (24, 635005), (28, 544290), (30, 508004), (35, 435432), (40, 381003), (42, 362860), (56, 272145), (60, 254002), (70, 217716), (84, 181430), (105, 145144), (120, 127001), (140, 108858), (168, 90715), (210, 72572), (280, 54429), (420, 36286), (840, 18143)]