31465320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{997}}^1$

素因数の和:1274

約数の個数: 64

約数和(自身を含む): 94849920

約数和(自身を除く): 63384600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 789, 997, 1052, 1315, 1578, 1994, 2104, 2630, 2991, 3156, 3945, 3988, 4985, 5260, 5982, 6312, 7890, 7976, 9970, 10520, 11964, 14955, 15780, 19940, 23928, 29910, 31560, 39880, 59820, 119640, 262211, 524422, 786633, 1048844, 1311055, 1573266, 2097688, 2622110, 3146532, 3933165, 5244220, 6293064, 7866330, 10488440, 15732660, 31465320]

約数ペア:

[(1, 31465320), (2, 15732660), (3, 10488440), (4, 7866330), (5, 6293064), (6, 5244220), (8, 3933165), (10, 3146532), (12, 2622110), (15, 2097688), (20, 1573266), (24, 1311055), (30, 1048844), (40, 786633), (60, 524422), (120, 262211), (263, 119640), (526, 59820), (789, 39880), (997, 31560), (1052, 29910), (1315, 23928), (1578, 19940), (1994, 15780), (2104, 14955), (2630, 11964), (2991, 10520), (3156, 9970), (3945, 7976), (3988, 7890), (4985, 6312), (5260, 5982)]