15489180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:688

約数の個数: 144

約数和(自身を含む): 56609280

約数和(自身を除く): 41120100

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, 532, 570, 630, 647, 665, 684, 798, 855, 1140, 1197, 1260, 1294, 1330, 1596, 1710, 1941, 1995, 2394, 2588, 2660, 3235, 3420, 3882, 3990, 4529, 4788, 5823, 5985, 6470, 7764, 7980, 9058, 9705, 11646, 11970, 12293, 12940, 13587, 18116, 19410, 22645, 23292, 23940, 24586, 27174, 29115, 36879, 38820, 40761, 45290, 49172, 54348, 58230, 61465, 67935, 73758, 81522, 86051, 90580, 110637, 116460, 122930, 135870, 147516, 163044, 172102, 184395, 203805, 221274, 245860, 258153, 271740, 344204, 368790, 407610, 430255, 442548, 516306, 553185, 737580, 774459, 815220, 860510, 1032612, 1106370, 1290765, 1548918, 1721020, 2212740, 2581530, 3097836, 3872295, 5163060, 7744590, 15489180]

約数ペア:

[(1, 15489180), (2, 7744590), (3, 5163060), (4, 3872295), (5, 3097836), (6, 2581530), (7, 2212740), (9, 1721020), (10, 1548918), (12, 1290765), (14, 1106370), (15, 1032612), (18, 860510), (19, 815220), (20, 774459), (21, 737580), (28, 553185), (30, 516306), (35, 442548), (36, 430255), (38, 407610), (42, 368790), (45, 344204), (57, 271740), (60, 258153), (63, 245860), (70, 221274), (76, 203805), (84, 184395), (90, 172102), (95, 163044), (105, 147516), (114, 135870), (126, 122930), (133, 116460), (140, 110637), (171, 90580), (180, 86051), (190, 81522), (210, 73758), (228, 67935), (252, 61465), (266, 58230), (285, 54348), (315, 49172), (342, 45290), (380, 40761), (399, 38820), (420, 36879), (532, 29115), (570, 27174), (630, 24586), (647, 23940), (665, 23292), (684, 22645), (798, 19410), (855, 18116), (1140, 13587), (1197, 12940), (1260, 12293), (1294, 11970), (1330, 11646), (1596, 9705), (1710, 9058), (1941, 7980), (1995, 7764), (2394, 6470), (2588, 5985), (2660, 5823), (3235, 4788), (3420, 4529), (3882, 3990)]