78991080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 272609280

約数和(自身を除く): 193618200

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, 271, 280, 347, 420, 542, 694, 813, 840, 1041, 1084, 1355, 1388, 1626, 1735, 1897, 2082, 2168, 2429, 2710, 2776, 3252, 3470, 3794, 4065, 4164, 4858, 5205, 5420, 5691, 6504, 6940, 7287, 7588, 8130, 8328, 9485, 9716, 10410, 10840, 11382, 12145, 13880, 14574, 15176, 16260, 18970, 19432, 20820, 22764, 24290, 28455, 29148, 32520, 36435, 37940, 41640, 45528, 48580, 56910, 58296, 72870, 75880, 94037, 97160, 113820, 145740, 188074, 227640, 282111, 291480, 376148, 470185, 564222, 658259, 752296, 940370, 1128444, 1316518, 1410555, 1880740, 1974777, 2256888, 2633036, 2821110, 3291295, 3761480, 3949554, 5266072, 5642220, 6582590, 7899108, 9873885, 11284440, 13165180, 15798216, 19747770, 26330360, 39495540, 78991080]

約数ペア:

[(1, 78991080), (2, 39495540), (3, 26330360), (4, 19747770), (5, 15798216), (6, 13165180), (7, 11284440), (8, 9873885), (10, 7899108), (12, 6582590), (14, 5642220), (15, 5266072), (20, 3949554), (21, 3761480), (24, 3291295), (28, 2821110), (30, 2633036), (35, 2256888), (40, 1974777), (42, 1880740), (56, 1410555), (60, 1316518), (70, 1128444), (84, 940370), (105, 752296), (120, 658259), (140, 564222), (168, 470185), (210, 376148), (271, 291480), (280, 282111), (347, 227640), (420, 188074), (542, 145740), (694, 113820), (813, 97160), (840, 94037), (1041, 75880), (1084, 72870), (1355, 58296), (1388, 56910), (1626, 48580), (1735, 45528), (1897, 41640), (2082, 37940), (2168, 36435), (2429, 32520), (2710, 29148), (2776, 28455), (3252, 24290), (3470, 22764), (3794, 20820), (4065, 19432), (4164, 18970), (4858, 16260), (5205, 15176), (5420, 14574), (5691, 13880), (6504, 12145), (6940, 11382), (7287, 10840), (7588, 10410), (8130, 9716), (8328, 9485)]