2089980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{683}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 6722352

約数和(自身を除く): 4632372

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, 153, 170, 180, 204, 255, 306, 340, 510, 612, 683, 765, 1020, 1366, 1530, 2049, 2732, 3060, 3415, 4098, 6147, 6830, 8196, 10245, 11611, 12294, 13660, 20490, 23222, 24588, 30735, 34833, 40980, 46444, 58055, 61470, 69666, 104499, 116110, 122940, 139332, 174165, 208998, 232220, 348330, 417996, 522495, 696660, 1044990, 2089980]

約数ペア:

[(1, 2089980), (2, 1044990), (3, 696660), (4, 522495), (5, 417996), (6, 348330), (9, 232220), (10, 208998), (12, 174165), (15, 139332), (17, 122940), (18, 116110), (20, 104499), (30, 69666), (34, 61470), (36, 58055), (45, 46444), (51, 40980), (60, 34833), (68, 30735), (85, 24588), (90, 23222), (102, 20490), (153, 13660), (170, 12294), (180, 11611), (204, 10245), (255, 8196), (306, 6830), (340, 6147), (510, 4098), (612, 3415), (683, 3060), (765, 2732), (1020, 2049), (1366, 1530)]