31645320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 109866240

約数和(自身を除く): 78220920

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, 101, 105, 120, 140, 168, 202, 210, 280, 303, 373, 404, 420, 505, 606, 707, 746, 808, 840, 1010, 1119, 1212, 1414, 1492, 1515, 1865, 2020, 2121, 2238, 2424, 2611, 2828, 2984, 3030, 3535, 3730, 4040, 4242, 4476, 5222, 5595, 5656, 6060, 7070, 7460, 7833, 8484, 8952, 10444, 10605, 11190, 12120, 13055, 14140, 14920, 15666, 16968, 20888, 21210, 22380, 26110, 28280, 31332, 37673, 39165, 42420, 44760, 52220, 62664, 75346, 78330, 84840, 104440, 113019, 150692, 156660, 188365, 226038, 263711, 301384, 313320, 376730, 452076, 527422, 565095, 753460, 791133, 904152, 1054844, 1130190, 1318555, 1506920, 1582266, 2109688, 2260380, 2637110, 3164532, 3955665, 4520760, 5274220, 6329064, 7911330, 10548440, 15822660, 31645320]

約数ペア:

[(1, 31645320), (2, 15822660), (3, 10548440), (4, 7911330), (5, 6329064), (6, 5274220), (7, 4520760), (8, 3955665), (10, 3164532), (12, 2637110), (14, 2260380), (15, 2109688), (20, 1582266), (21, 1506920), (24, 1318555), (28, 1130190), (30, 1054844), (35, 904152), (40, 791133), (42, 753460), (56, 565095), (60, 527422), (70, 452076), (84, 376730), (101, 313320), (105, 301384), (120, 263711), (140, 226038), (168, 188365), (202, 156660), (210, 150692), (280, 113019), (303, 104440), (373, 84840), (404, 78330), (420, 75346), (505, 62664), (606, 52220), (707, 44760), (746, 42420), (808, 39165), (840, 37673), (1010, 31332), (1119, 28280), (1212, 26110), (1414, 22380), (1492, 21210), (1515, 20888), (1865, 16968), (2020, 15666), (2121, 14920), (2238, 14140), (2424, 13055), (2611, 12120), (2828, 11190), (2984, 10605), (3030, 10444), (3535, 8952), (3730, 8484), (4040, 7833), (4242, 7460), (4476, 7070), (5222, 6060), (5595, 5656)]