42740820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{647}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 130201344

約数和(自身を除く): 87460524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 367, 647, 734, 1101, 1294, 1468, 1835, 1941, 2202, 2588, 3235, 3303, 3670, 3882, 4404, 5505, 5823, 6470, 6606, 7340, 7764, 9705, 11010, 11646, 12940, 13212, 16515, 19410, 22020, 23292, 29115, 33030, 38820, 58230, 66060, 116460, 237449, 474898, 712347, 949796, 1187245, 1424694, 2137041, 2374490, 2849388, 3561735, 4274082, 4748980, 7123470, 8548164, 10685205, 14246940, 21370410, 42740820]

約数ペア:

[(1, 42740820), (2, 21370410), (3, 14246940), (4, 10685205), (5, 8548164), (6, 7123470), (9, 4748980), (10, 4274082), (12, 3561735), (15, 2849388), (18, 2374490), (20, 2137041), (30, 1424694), (36, 1187245), (45, 949796), (60, 712347), (90, 474898), (180, 237449), (367, 116460), (647, 66060), (734, 58230), (1101, 38820), (1294, 33030), (1468, 29115), (1835, 23292), (1941, 22020), (2202, 19410), (2588, 16515), (3235, 13212), (3303, 12940), (3670, 11646), (3882, 11010), (4404, 9705), (5505, 7764), (5823, 7340), (6470, 6606)]