2989620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 9611784

約数和(自身を除く): 6622164

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, 765, 977, 1020, 1530, 1954, 2931, 3060, 3908, 4885, 5862, 8793, 9770, 11724, 14655, 16609, 17586, 19540, 29310, 33218, 35172, 43965, 49827, 58620, 66436, 83045, 87930, 99654, 149481, 166090, 175860, 199308, 249135, 298962, 332180, 498270, 597924, 747405, 996540, 1494810, 2989620]

約数ペア:

[(1, 2989620), (2, 1494810), (3, 996540), (4, 747405), (5, 597924), (6, 498270), (9, 332180), (10, 298962), (12, 249135), (15, 199308), (17, 175860), (18, 166090), (20, 149481), (30, 99654), (34, 87930), (36, 83045), (45, 66436), (51, 58620), (60, 49827), (68, 43965), (85, 35172), (90, 33218), (102, 29310), (153, 19540), (170, 17586), (180, 16609), (204, 14655), (255, 11724), (306, 9770), (340, 8793), (510, 5862), (612, 4885), (765, 3908), (977, 3060), (1020, 2931), (1530, 1954)]