81051720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1871}}^1$

素因数の和:1923

約数の個数: 96

約数和(自身を含む): 256763520

約数和(自身を除く): 175711800

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, 152, 190, 228, 285, 361, 380, 456, 570, 722, 760, 1083, 1140, 1444, 1805, 1871, 2166, 2280, 2888, 3610, 3742, 4332, 5415, 5613, 7220, 7484, 8664, 9355, 10830, 11226, 14440, 14968, 18710, 21660, 22452, 28065, 35549, 37420, 43320, 44904, 56130, 71098, 74840, 106647, 112260, 142196, 177745, 213294, 224520, 284392, 355490, 426588, 533235, 675431, 710980, 853176, 1066470, 1350862, 1421960, 2026293, 2132940, 2701724, 3377155, 4052586, 4265880, 5403448, 6754310, 8105172, 10131465, 13508620, 16210344, 20262930, 27017240, 40525860, 81051720]

約数ペア:

[(1, 81051720), (2, 40525860), (3, 27017240), (4, 20262930), (5, 16210344), (6, 13508620), (8, 10131465), (10, 8105172), (12, 6754310), (15, 5403448), (19, 4265880), (20, 4052586), (24, 3377155), (30, 2701724), (38, 2132940), (40, 2026293), (57, 1421960), (60, 1350862), (76, 1066470), (95, 853176), (114, 710980), (120, 675431), (152, 533235), (190, 426588), (228, 355490), (285, 284392), (361, 224520), (380, 213294), (456, 177745), (570, 142196), (722, 112260), (760, 106647), (1083, 74840), (1140, 71098), (1444, 56130), (1805, 44904), (1871, 43320), (2166, 37420), (2280, 35549), (2888, 28065), (3610, 22452), (3742, 21660), (4332, 18710), (5415, 14968), (5613, 14440), (7220, 11226), (7484, 10830), (8664, 9355)]