1215860520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{206779}}^1$

素因数の和:206807

約数の個数: 96

約数和(自身を含む): 4243125600

約数和(自身を除く): 3027265080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 206779, 413558, 620337, 827116, 1033895, 1240674, 1447453, 1654232, 2067790, 2481348, 2894906, 3101685, 4135580, 4342359, 4962696, 5789812, 6203370, 7237265, 8271160, 8684718, 10132171, 11579624, 12406740, 14474530, 17369436, 20264342, 21711795, 24813480, 28949060, 30396513, 34738872, 40528684, 43423590, 50660855, 57898120, 60793026, 81057368, 86847180, 101321710, 121586052, 151982565, 173694360, 202643420, 243172104, 303965130, 405286840, 607930260, 1215860520]

約数ペア:

[(1, 1215860520), (2, 607930260), (3, 405286840), (4, 303965130), (5, 243172104), (6, 202643420), (7, 173694360), (8, 151982565), (10, 121586052), (12, 101321710), (14, 86847180), (15, 81057368), (20, 60793026), (21, 57898120), (24, 50660855), (28, 43423590), (30, 40528684), (35, 34738872), (40, 30396513), (42, 28949060), (49, 24813480), (56, 21711795), (60, 20264342), (70, 17369436), (84, 14474530), (98, 12406740), (105, 11579624), (120, 10132171), (140, 8684718), (147, 8271160), (168, 7237265), (196, 6203370), (210, 5789812), (245, 4962696), (280, 4342359), (294, 4135580), (392, 3101685), (420, 2894906), (490, 2481348), (588, 2067790), (735, 1654232), (840, 1447453), (980, 1240674), (1176, 1033895), (1470, 827116), (1960, 620337), (2940, 413558), (5880, 206779)]