128313030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 319666176

約数和(自身を除く): 191353146

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 281, 310, 465, 491, 562, 843, 930, 982, 1405, 1473, 1686, 2455, 2810, 2946, 4215, 4910, 7365, 8430, 8711, 14730, 15221, 17422, 26133, 30442, 43555, 45663, 52266, 76105, 87110, 91326, 130665, 137971, 152210, 228315, 261330, 275942, 413913, 456630, 689855, 827826, 1379710, 2069565, 4139130, 4277101, 8554202, 12831303, 21385505, 25662606, 42771010, 64156515, 128313030]

約数ペア:

[(1, 128313030), (2, 64156515), (3, 42771010), (5, 25662606), (6, 21385505), (10, 12831303), (15, 8554202), (30, 4277101), (31, 4139130), (62, 2069565), (93, 1379710), (155, 827826), (186, 689855), (281, 456630), (310, 413913), (465, 275942), (491, 261330), (562, 228315), (843, 152210), (930, 137971), (982, 130665), (1405, 91326), (1473, 87110), (1686, 76105), (2455, 52266), (2810, 45663), (2946, 43555), (4215, 30442), (4910, 26133), (7365, 17422), (8430, 15221), (8711, 14730)]