9720240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 30506976

約数和(自身を除く): 20786736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 401, 404, 505, 606, 802, 808, 1010, 1203, 1212, 1515, 1604, 1616, 2005, 2020, 2406, 2424, 3030, 3208, 4010, 4040, 4812, 4848, 6015, 6060, 6416, 8020, 8080, 9624, 12030, 12120, 16040, 19248, 24060, 24240, 32080, 40501, 48120, 81002, 96240, 121503, 162004, 202505, 243006, 324008, 405010, 486012, 607515, 648016, 810020, 972024, 1215030, 1620040, 1944048, 2430060, 3240080, 4860120, 9720240]

約数ペア:

[(1, 9720240), (2, 4860120), (3, 3240080), (4, 2430060), (5, 1944048), (6, 1620040), (8, 1215030), (10, 972024), (12, 810020), (15, 648016), (16, 607515), (20, 486012), (24, 405010), (30, 324008), (40, 243006), (48, 202505), (60, 162004), (80, 121503), (101, 96240), (120, 81002), (202, 48120), (240, 40501), (303, 32080), (401, 24240), (404, 24060), (505, 19248), (606, 16040), (802, 12120), (808, 12030), (1010, 9624), (1203, 8080), (1212, 8020), (1515, 6416), (1604, 6060), (1616, 6015), (2005, 4848), (2020, 4812), (2406, 4040), (2424, 4010), (3030, 3208)]