77399940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18169}}^1$

素因数の和:18252

約数の個数: 48

約数和(自身を含む): 219784320

約数和(自身を除く): 142384380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 18169, 36338, 54507, 72676, 90845, 109014, 181690, 218028, 272535, 363380, 545070, 1090140, 1289999, 2579998, 3869997, 5159996, 6449995, 7739994, 12899990, 15479988, 19349985, 25799980, 38699970, 77399940]

約数ペア:

[(1, 77399940), (2, 38699970), (3, 25799980), (4, 19349985), (5, 15479988), (6, 12899990), (10, 7739994), (12, 6449995), (15, 5159996), (20, 3869997), (30, 2579998), (60, 1289999), (71, 1090140), (142, 545070), (213, 363380), (284, 272535), (355, 218028), (426, 181690), (710, 109014), (852, 90845), (1065, 72676), (1420, 54507), (2130, 36338), (4260, 18169)]