30991560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{953}}^1$

素因数の和:1238

約数の個数: 64

約数和(自身を含む): 93415680

約数和(自身を除く): 62424120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 813, 953, 1084, 1355, 1626, 1906, 2168, 2710, 2859, 3252, 3812, 4065, 4765, 5420, 5718, 6504, 7624, 8130, 9530, 10840, 11436, 14295, 16260, 19060, 22872, 28590, 32520, 38120, 57180, 114360, 258263, 516526, 774789, 1033052, 1291315, 1549578, 2066104, 2582630, 3099156, 3873945, 5165260, 6198312, 7747890, 10330520, 15495780, 30991560]

約数ペア:

[(1, 30991560), (2, 15495780), (3, 10330520), (4, 7747890), (5, 6198312), (6, 5165260), (8, 3873945), (10, 3099156), (12, 2582630), (15, 2066104), (20, 1549578), (24, 1291315), (30, 1033052), (40, 774789), (60, 516526), (120, 258263), (271, 114360), (542, 57180), (813, 38120), (953, 32520), (1084, 28590), (1355, 22872), (1626, 19060), (1906, 16260), (2168, 14295), (2710, 11436), (2859, 10840), (3252, 9530), (3812, 8130), (4065, 7624), (4765, 6504), (5420, 5718)]