42781980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5443}}^1$

素因数の和:5586

約数の個数: 48

約数和(自身を含む): 120726144

約数和(自身を除く): 77944164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 5443, 7860, 10886, 16329, 21772, 27215, 32658, 54430, 65316, 81645, 108860, 163290, 326580, 713033, 1426066, 2139099, 2852132, 3565165, 4278198, 7130330, 8556396, 10695495, 14260660, 21390990, 42781980]

約数ペア:

[(1, 42781980), (2, 21390990), (3, 14260660), (4, 10695495), (5, 8556396), (6, 7130330), (10, 4278198), (12, 3565165), (15, 2852132), (20, 2139099), (30, 1426066), (60, 713033), (131, 326580), (262, 163290), (393, 108860), (524, 81645), (655, 65316), (786, 54430), (1310, 32658), (1572, 27215), (1965, 21772), (2620, 16329), (3930, 10886), (5443, 7860)]