155575560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2081}}^1$

素因数の和:2191

約数の個数: 128

約数和(自身を含む): 539654400

約数和(自身を除く): 384078840

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, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 420, 445, 534, 623, 712, 840, 890, 1068, 1246, 1335, 1780, 1869, 2081, 2136, 2492, 2670, 3115, 3560, 3738, 4162, 4984, 5340, 6230, 6243, 7476, 8324, 9345, 10405, 10680, 12460, 12486, 14567, 14952, 16648, 18690, 20810, 24920, 24972, 29134, 31215, 37380, 41620, 43701, 49944, 58268, 62430, 72835, 74760, 83240, 87402, 116536, 124860, 145670, 174804, 185209, 218505, 249720, 291340, 349608, 370418, 437010, 555627, 582680, 740836, 874020, 926045, 1111254, 1296463, 1481672, 1748040, 1852090, 2222508, 2592926, 2778135, 3704180, 3889389, 4445016, 5185852, 5556270, 6482315, 7408360, 7778778, 10371704, 11112540, 12964630, 15557556, 19446945, 22225080, 25929260, 31115112, 38893890, 51858520, 77787780, 155575560]

約数ペア:

[(1, 155575560), (2, 77787780), (3, 51858520), (4, 38893890), (5, 31115112), (6, 25929260), (7, 22225080), (8, 19446945), (10, 15557556), (12, 12964630), (14, 11112540), (15, 10371704), (20, 7778778), (21, 7408360), (24, 6482315), (28, 5556270), (30, 5185852), (35, 4445016), (40, 3889389), (42, 3704180), (56, 2778135), (60, 2592926), (70, 2222508), (84, 1852090), (89, 1748040), (105, 1481672), (120, 1296463), (140, 1111254), (168, 926045), (178, 874020), (210, 740836), (267, 582680), (280, 555627), (356, 437010), (420, 370418), (445, 349608), (534, 291340), (623, 249720), (712, 218505), (840, 185209), (890, 174804), (1068, 145670), (1246, 124860), (1335, 116536), (1780, 87402), (1869, 83240), (2081, 74760), (2136, 72835), (2492, 62430), (2670, 58268), (3115, 49944), (3560, 43701), (3738, 41620), (4162, 37380), (4984, 31215), (5340, 29134), (6230, 24972), (6243, 24920), (7476, 20810), (8324, 18690), (9345, 16648), (10405, 14952), (10680, 14567), (12460, 12486)]