19828320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:528

約数の個数: 96

約数和(自身を含む): 63231840

約数和(自身を除く): 43403520

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, 404, 409, 480, 505, 606, 808, 818, 1010, 1212, 1227, 1515, 1616, 1636, 2020, 2045, 2424, 2454, 3030, 3232, 3272, 4040, 4090, 4848, 4908, 6060, 6135, 6544, 8080, 8180, 9696, 9816, 12120, 12270, 13088, 16160, 16360, 19632, 24240, 24540, 32720, 39264, 41309, 48480, 49080, 65440, 82618, 98160, 123927, 165236, 196320, 206545, 247854, 330472, 413090, 495708, 619635, 660944, 826180, 991416, 1239270, 1321888, 1652360, 1982832, 2478540, 3304720, 3965664, 4957080, 6609440, 9914160, 19828320]

約数ペア:

[(1, 19828320), (2, 9914160), (3, 6609440), (4, 4957080), (5, 3965664), (6, 3304720), (8, 2478540), (10, 1982832), (12, 1652360), (15, 1321888), (16, 1239270), (20, 991416), (24, 826180), (30, 660944), (32, 619635), (40, 495708), (48, 413090), (60, 330472), (80, 247854), (96, 206545), (101, 196320), (120, 165236), (160, 123927), (202, 98160), (240, 82618), (303, 65440), (404, 49080), (409, 48480), (480, 41309), (505, 39264), (606, 32720), (808, 24540), (818, 24240), (1010, 19632), (1212, 16360), (1227, 16160), (1515, 13088), (1616, 12270), (1636, 12120), (2020, 9816), (2045, 9696), (2424, 8180), (2454, 8080), (3030, 6544), (3232, 6135), (3272, 6060), (4040, 4908), (4090, 4848)]