12520620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 45776640

約数和(自身を除く): 33256020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 523, 532, 570, 630, 665, 684, 798, 855, 1046, 1140, 1197, 1260, 1330, 1569, 1596, 1710, 1995, 2092, 2394, 2615, 2660, 3138, 3420, 3661, 3990, 4707, 4788, 5230, 5985, 6276, 7322, 7845, 7980, 9414, 9937, 10460, 10983, 11970, 14644, 15690, 18305, 18828, 19874, 21966, 23535, 23940, 29811, 31380, 32949, 36610, 39748, 43932, 47070, 49685, 54915, 59622, 65898, 69559, 73220, 89433, 94140, 99370, 109830, 119244, 131796, 139118, 149055, 164745, 178866, 198740, 208677, 219660, 278236, 298110, 329490, 347795, 357732, 417354, 447165, 596220, 626031, 658980, 695590, 834708, 894330, 1043385, 1252062, 1391180, 1788660, 2086770, 2504124, 3130155, 4173540, 6260310, 12520620]

約数ペア:

[(1, 12520620), (2, 6260310), (3, 4173540), (4, 3130155), (5, 2504124), (6, 2086770), (7, 1788660), (9, 1391180), (10, 1252062), (12, 1043385), (14, 894330), (15, 834708), (18, 695590), (19, 658980), (20, 626031), (21, 596220), (28, 447165), (30, 417354), (35, 357732), (36, 347795), (38, 329490), (42, 298110), (45, 278236), (57, 219660), (60, 208677), (63, 198740), (70, 178866), (76, 164745), (84, 149055), (90, 139118), (95, 131796), (105, 119244), (114, 109830), (126, 99370), (133, 94140), (140, 89433), (171, 73220), (180, 69559), (190, 65898), (210, 59622), (228, 54915), (252, 49685), (266, 47070), (285, 43932), (315, 39748), (342, 36610), (380, 32949), (399, 31380), (420, 29811), (523, 23940), (532, 23535), (570, 21966), (630, 19874), (665, 18828), (684, 18305), (798, 15690), (855, 14644), (1046, 11970), (1140, 10983), (1197, 10460), (1260, 9937), (1330, 9414), (1569, 7980), (1596, 7845), (1710, 7322), (1995, 6276), (2092, 5985), (2394, 5230), (2615, 4788), (2660, 4707), (3138, 3990), (3420, 3661)]