31439970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20549}}^1$

素因数の和:20579

約数の個数: 48

約数和(自身を含む): 86556600

約数和(自身を除く): 55116630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 20549, 41098, 61647, 102745, 123294, 184941, 205490, 308235, 349333, 369882, 616470, 698666, 924705, 1047999, 1746665, 1849410, 2095998, 3143997, 3493330, 5239995, 6287994, 10479990, 15719985, 31439970]

約数ペア:

[(1, 31439970), (2, 15719985), (3, 10479990), (5, 6287994), (6, 5239995), (9, 3493330), (10, 3143997), (15, 2095998), (17, 1849410), (18, 1746665), (30, 1047999), (34, 924705), (45, 698666), (51, 616470), (85, 369882), (90, 349333), (102, 308235), (153, 205490), (170, 184941), (255, 123294), (306, 102745), (510, 61647), (765, 41098), (1530, 20549)]