78102540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:632

約数の個数: 144

約数和(自身を含む): 255921120

約数和(自身を除く): 177818580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 190, 205, 228, 246, 285, 342, 369, 380, 410, 492, 557, 570, 615, 684, 738, 779, 820, 855, 1114, 1140, 1230, 1476, 1558, 1671, 1710, 1845, 2228, 2337, 2460, 2785, 3116, 3342, 3420, 3690, 3895, 4674, 5013, 5570, 6684, 7011, 7380, 7790, 8355, 9348, 10026, 10583, 11140, 11685, 14022, 15580, 16710, 20052, 21166, 22837, 23370, 25065, 28044, 31749, 33420, 35055, 42332, 45674, 46740, 50130, 52915, 63498, 68511, 70110, 91348, 95247, 100260, 105830, 114185, 126996, 137022, 140220, 158745, 190494, 205533, 211660, 228370, 274044, 317490, 342555, 380988, 411066, 433903, 456740, 476235, 634980, 685110, 822132, 867806, 952470, 1027665, 1301709, 1370220, 1735612, 1904940, 2055330, 2169515, 2603418, 3905127, 4110660, 4339030, 5206836, 6508545, 7810254, 8678060, 13017090, 15620508, 19525635, 26034180, 39051270, 78102540]

約数ペア:

[(1, 78102540), (2, 39051270), (3, 26034180), (4, 19525635), (5, 15620508), (6, 13017090), (9, 8678060), (10, 7810254), (12, 6508545), (15, 5206836), (18, 4339030), (19, 4110660), (20, 3905127), (30, 2603418), (36, 2169515), (38, 2055330), (41, 1904940), (45, 1735612), (57, 1370220), (60, 1301709), (76, 1027665), (82, 952470), (90, 867806), (95, 822132), (114, 685110), (123, 634980), (164, 476235), (171, 456740), (180, 433903), (190, 411066), (205, 380988), (228, 342555), (246, 317490), (285, 274044), (342, 228370), (369, 211660), (380, 205533), (410, 190494), (492, 158745), (557, 140220), (570, 137022), (615, 126996), (684, 114185), (738, 105830), (779, 100260), (820, 95247), (855, 91348), (1114, 70110), (1140, 68511), (1230, 63498), (1476, 52915), (1558, 50130), (1671, 46740), (1710, 45674), (1845, 42332), (2228, 35055), (2337, 33420), (2460, 31749), (2785, 28044), (3116, 25065), (3342, 23370), (3420, 22837), (3690, 21166), (3895, 20052), (4674, 16710), (5013, 15580), (5570, 14022), (6684, 11685), (7011, 11140), (7380, 10583), (7790, 10026), (8355, 9348)]