131231340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1373}}^1$

素因数の和:1453

約数の個数: 120

約数和(自身を含む): 418960080

約数和(自身を除く): 287728740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 59, 60, 81, 90, 108, 118, 135, 162, 177, 180, 236, 270, 295, 324, 354, 405, 531, 540, 590, 708, 810, 885, 1062, 1180, 1373, 1593, 1620, 1770, 2124, 2655, 2746, 3186, 3540, 4119, 4779, 5310, 5492, 6372, 6865, 7965, 8238, 9558, 10620, 12357, 13730, 15930, 16476, 19116, 20595, 23895, 24714, 27460, 31860, 37071, 41190, 47790, 49428, 61785, 74142, 81007, 82380, 95580, 111213, 123570, 148284, 162014, 185355, 222426, 243021, 247140, 324028, 370710, 405035, 444852, 486042, 556065, 729063, 741420, 810070, 972084, 1112130, 1215105, 1458126, 1620140, 2187189, 2224260, 2430210, 2916252, 3645315, 4374378, 4860420, 6561567, 7290630, 8748756, 10935945, 13123134, 14581260, 21871890, 26246268, 32807835, 43743780, 65615670, 131231340]

約数ペア:

[(1, 131231340), (2, 65615670), (3, 43743780), (4, 32807835), (5, 26246268), (6, 21871890), (9, 14581260), (10, 13123134), (12, 10935945), (15, 8748756), (18, 7290630), (20, 6561567), (27, 4860420), (30, 4374378), (36, 3645315), (45, 2916252), (54, 2430210), (59, 2224260), (60, 2187189), (81, 1620140), (90, 1458126), (108, 1215105), (118, 1112130), (135, 972084), (162, 810070), (177, 741420), (180, 729063), (236, 556065), (270, 486042), (295, 444852), (324, 405035), (354, 370710), (405, 324028), (531, 247140), (540, 243021), (590, 222426), (708, 185355), (810, 162014), (885, 148284), (1062, 123570), (1180, 111213), (1373, 95580), (1593, 82380), (1620, 81007), (1770, 74142), (2124, 61785), (2655, 49428), (2746, 47790), (3186, 41190), (3540, 37071), (4119, 31860), (4779, 27460), (5310, 24714), (5492, 23895), (6372, 20595), (6865, 19116), (7965, 16476), (8238, 15930), (9558, 13730), (10620, 12357)]