345780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 1120392

約数和(自身を除く): 774612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 113, 153, 170, 180, 204, 226, 255, 306, 339, 340, 452, 510, 565, 612, 678, 765, 1017, 1020, 1130, 1356, 1530, 1695, 1921, 2034, 2260, 3060, 3390, 3842, 4068, 5085, 5763, 6780, 7684, 9605, 10170, 11526, 17289, 19210, 20340, 23052, 28815, 34578, 38420, 57630, 69156, 86445, 115260, 172890, 345780]

約数ペア:

[(1, 345780), (2, 172890), (3, 115260), (4, 86445), (5, 69156), (6, 57630), (9, 38420), (10, 34578), (12, 28815), (15, 23052), (17, 20340), (18, 19210), (20, 17289), (30, 11526), (34, 10170), (36, 9605), (45, 7684), (51, 6780), (60, 5763), (68, 5085), (85, 4068), (90, 3842), (102, 3390), (113, 3060), (153, 2260), (170, 2034), (180, 1921), (204, 1695), (226, 1530), (255, 1356), (306, 1130), (339, 1020), (340, 1017), (452, 765), (510, 678), (565, 612)]