67666460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 157822560

約数和(自身を除く): 90156100

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 289, 340, 391, 460, 509, 578, 782, 1018, 1156, 1445, 1564, 1955, 2036, 2545, 2890, 3910, 5090, 5780, 6647, 7820, 8653, 10180, 11707, 13294, 17306, 23414, 26588, 33235, 34612, 43265, 46828, 58535, 66470, 86530, 117070, 132940, 147101, 173060, 199019, 234140, 294202, 398038, 588404, 735505, 796076, 995095, 1471010, 1990190, 2942020, 3383323, 3980380, 6766646, 13533292, 16916615, 33833230, 67666460]

約数ペア:

[(1, 67666460), (2, 33833230), (4, 16916615), (5, 13533292), (10, 6766646), (17, 3980380), (20, 3383323), (23, 2942020), (34, 1990190), (46, 1471010), (68, 995095), (85, 796076), (92, 735505), (115, 588404), (170, 398038), (230, 294202), (289, 234140), (340, 199019), (391, 173060), (460, 147101), (509, 132940), (578, 117070), (782, 86530), (1018, 66470), (1156, 58535), (1445, 46828), (1564, 43265), (1955, 34612), (2036, 33235), (2545, 26588), (2890, 23414), (3910, 17306), (5090, 13294), (5780, 11707), (6647, 10180), (7820, 8653)]