81443820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43787}}^1$

素因数の和:43830

約数の個数: 48

約数和(自身を含む): 235404288

約数和(自身を除く): 153960468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 43787, 87574, 131361, 175148, 218935, 262722, 437870, 525444, 656805, 875740, 1313610, 1357397, 2627220, 2714794, 4072191, 5429588, 6786985, 8144382, 13573970, 16288764, 20360955, 27147940, 40721910, 81443820]

約数ペア:

[(1, 81443820), (2, 40721910), (3, 27147940), (4, 20360955), (5, 16288764), (6, 13573970), (10, 8144382), (12, 6786985), (15, 5429588), (20, 4072191), (30, 2714794), (31, 2627220), (60, 1357397), (62, 1313610), (93, 875740), (124, 656805), (155, 525444), (186, 437870), (310, 262722), (372, 218935), (465, 175148), (620, 131361), (930, 87574), (1860, 43787)]