28736520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2371}}^1$

素因数の和:2486

約数の個数: 64

約数和(自身を含む): 87099840

約数和(自身を除く): 58363320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2371, 2424, 3030, 4040, 4742, 6060, 7113, 9484, 11855, 12120, 14226, 18968, 23710, 28452, 35565, 47420, 56904, 71130, 94840, 142260, 239471, 284520, 478942, 718413, 957884, 1197355, 1436826, 1915768, 2394710, 2873652, 3592065, 4789420, 5747304, 7184130, 9578840, 14368260, 28736520]

約数ペア:

[(1, 28736520), (2, 14368260), (3, 9578840), (4, 7184130), (5, 5747304), (6, 4789420), (8, 3592065), (10, 2873652), (12, 2394710), (15, 1915768), (20, 1436826), (24, 1197355), (30, 957884), (40, 718413), (60, 478942), (101, 284520), (120, 239471), (202, 142260), (303, 94840), (404, 71130), (505, 56904), (606, 47420), (808, 35565), (1010, 28452), (1212, 23710), (1515, 18968), (2020, 14226), (2371, 12120), (2424, 11855), (3030, 9484), (4040, 7113), (4742, 6060)]