72480060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21193}}^1$

素因数の和:21227

約数の個数: 72

約数和(自身を含む): 231438480

約数和(自身を除く): 158958420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 21193, 42386, 63579, 84772, 105965, 127158, 190737, 211930, 254316, 317895, 381474, 402667, 423860, 635790, 762948, 805334, 953685, 1208001, 1271580, 1610668, 1907370, 2013335, 2416002, 3624003, 3814740, 4026670, 4832004, 6040005, 7248006, 8053340, 12080010, 14496012, 18120015, 24160020, 36240030, 72480060]

約数ペア:

[(1, 72480060), (2, 36240030), (3, 24160020), (4, 18120015), (5, 14496012), (6, 12080010), (9, 8053340), (10, 7248006), (12, 6040005), (15, 4832004), (18, 4026670), (19, 3814740), (20, 3624003), (30, 2416002), (36, 2013335), (38, 1907370), (45, 1610668), (57, 1271580), (60, 1208001), (76, 953685), (90, 805334), (95, 762948), (114, 635790), (171, 423860), (180, 402667), (190, 381474), (228, 317895), (285, 254316), (342, 211930), (380, 190737), (570, 127158), (684, 105965), (855, 84772), (1140, 63579), (1710, 42386), (3420, 21193)]