279990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:94

約数の個数: 64

約数和(自身を含む): 803520

約数和(自身を除く): 523530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 61, 85, 90, 102, 122, 135, 153, 170, 183, 255, 270, 305, 306, 366, 459, 510, 549, 610, 765, 915, 918, 1037, 1098, 1530, 1647, 1830, 2074, 2295, 2745, 3111, 3294, 4590, 5185, 5490, 6222, 8235, 9333, 10370, 15555, 16470, 18666, 27999, 31110, 46665, 55998, 93330, 139995, 279990]

約数ペア:

[(1, 279990), (2, 139995), (3, 93330), (5, 55998), (6, 46665), (9, 31110), (10, 27999), (15, 18666), (17, 16470), (18, 15555), (27, 10370), (30, 9333), (34, 8235), (45, 6222), (51, 5490), (54, 5185), (61, 4590), (85, 3294), (90, 3111), (102, 2745), (122, 2295), (135, 2074), (153, 1830), (170, 1647), (183, 1530), (255, 1098), (270, 1037), (305, 918), (306, 915), (366, 765), (459, 610), (510, 549)]