131422980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{168491}}^1$

素因数の和:168516

約数の個数: 48

約数和(自身を含む): 396293184

約数和(自身を除く): 264870204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 168491, 336982, 505473, 673964, 842455, 1010946, 1684910, 2021892, 2190383, 2527365, 3369820, 4380766, 5054730, 6571149, 8761532, 10109460, 10951915, 13142298, 21903830, 26284596, 32855745, 43807660, 65711490, 131422980]

約数ペア:

[(1, 131422980), (2, 65711490), (3, 43807660), (4, 32855745), (5, 26284596), (6, 21903830), (10, 13142298), (12, 10951915), (13, 10109460), (15, 8761532), (20, 6571149), (26, 5054730), (30, 4380766), (39, 3369820), (52, 2527365), (60, 2190383), (65, 2021892), (78, 1684910), (130, 1010946), (156, 842455), (195, 673964), (260, 505473), (390, 336982), (780, 168491)]