55647180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1787}}^1$

素因数の和:1975

約数の個数: 72

約数和(自身を含む): 169867152

約数和(自身を除く): 114219972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 1787, 2076, 2595, 3114, 3460, 3574, 5190, 5361, 6228, 7148, 7785, 8935, 10380, 10722, 15570, 16083, 17870, 21444, 26805, 31140, 32166, 35740, 53610, 64332, 80415, 107220, 160830, 309151, 321660, 618302, 927453, 1236604, 1545755, 1854906, 2782359, 3091510, 3709812, 4637265, 5564718, 6183020, 9274530, 11129436, 13911795, 18549060, 27823590, 55647180]

約数ペア:

[(1, 55647180), (2, 27823590), (3, 18549060), (4, 13911795), (5, 11129436), (6, 9274530), (9, 6183020), (10, 5564718), (12, 4637265), (15, 3709812), (18, 3091510), (20, 2782359), (30, 1854906), (36, 1545755), (45, 1236604), (60, 927453), (90, 618302), (173, 321660), (180, 309151), (346, 160830), (519, 107220), (692, 80415), (865, 64332), (1038, 53610), (1557, 35740), (1730, 32166), (1787, 31140), (2076, 26805), (2595, 21444), (3114, 17870), (3460, 16083), (3574, 15570), (5190, 10722), (5361, 10380), (6228, 8935), (7148, 7785)]