19440480

素因数分解:

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

素因数の和:520

約数の個数: 96

約数和(自身を含む): 61998048

約数和(自身を除く): 42557568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 101, 120, 160, 202, 240, 303, 401, 404, 480, 505, 606, 802, 808, 1010, 1203, 1212, 1515, 1604, 1616, 2005, 2020, 2406, 2424, 3030, 3208, 3232, 4010, 4040, 4812, 4848, 6015, 6060, 6416, 8020, 8080, 9624, 9696, 12030, 12120, 12832, 16040, 16160, 19248, 24060, 24240, 32080, 38496, 40501, 48120, 48480, 64160, 81002, 96240, 121503, 162004, 192480, 202505, 243006, 324008, 405010, 486012, 607515, 648016, 810020, 972024, 1215030, 1296032, 1620040, 1944048, 2430060, 3240080, 3888096, 4860120, 6480160, 9720240, 19440480]

約数ペア:

[(1, 19440480), (2, 9720240), (3, 6480160), (4, 4860120), (5, 3888096), (6, 3240080), (8, 2430060), (10, 1944048), (12, 1620040), (15, 1296032), (16, 1215030), (20, 972024), (24, 810020), (30, 648016), (32, 607515), (40, 486012), (48, 405010), (60, 324008), (80, 243006), (96, 202505), (101, 192480), (120, 162004), (160, 121503), (202, 96240), (240, 81002), (303, 64160), (401, 48480), (404, 48120), (480, 40501), (505, 38496), (606, 32080), (802, 24240), (808, 24060), (1010, 19248), (1203, 16160), (1212, 16040), (1515, 12832), (1604, 12120), (1616, 12030), (2005, 9696), (2020, 9624), (2406, 8080), (2424, 8020), (3030, 6416), (3208, 6060), (3232, 6015), (4010, 4848), (4040, 4812)]