30978360

素因数分解:

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

素因数の和:690

約数の個数: 192

約数和(自身を含む): 121305600

約数和(自身を除く): 90327240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 647, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1294, 1330, 1368, 1596, 1710, 1941, 1995, 2280, 2394, 2520, 2588, 2660, 3192, 3235, 3420, 3882, 3990, 4529, 4788, 5176, 5320, 5823, 5985, 6470, 6840, 7764, 7980, 9058, 9576, 9705, 11646, 11970, 12293, 12940, 13587, 15528, 15960, 18116, 19410, 22645, 23292, 23940, 24586, 25880, 27174, 29115, 36232, 36879, 38820, 40761, 45290, 46584, 47880, 49172, 54348, 58230, 61465, 67935, 73758, 77640, 81522, 86051, 90580, 98344, 108696, 110637, 116460, 122930, 135870, 147516, 163044, 172102, 181160, 184395, 203805, 221274, 232920, 245860, 258153, 271740, 295032, 326088, 344204, 368790, 407610, 430255, 442548, 491720, 516306, 543480, 553185, 688408, 737580, 774459, 815220, 860510, 885096, 1032612, 1106370, 1290765, 1475160, 1548918, 1630440, 1721020, 2065224, 2212740, 2581530, 3097836, 3442040, 3872295, 4425480, 5163060, 6195672, 7744590, 10326120, 15489180, 30978360]

約数ペア:

[(1, 30978360), (2, 15489180), (3, 10326120), (4, 7744590), (5, 6195672), (6, 5163060), (7, 4425480), (8, 3872295), (9, 3442040), (10, 3097836), (12, 2581530), (14, 2212740), (15, 2065224), (18, 1721020), (19, 1630440), (20, 1548918), (21, 1475160), (24, 1290765), (28, 1106370), (30, 1032612), (35, 885096), (36, 860510), (38, 815220), (40, 774459), (42, 737580), (45, 688408), (56, 553185), (57, 543480), (60, 516306), (63, 491720), (70, 442548), (72, 430255), (76, 407610), (84, 368790), (90, 344204), (95, 326088), (105, 295032), (114, 271740), (120, 258153), (126, 245860), (133, 232920), (140, 221274), (152, 203805), (168, 184395), (171, 181160), (180, 172102), (190, 163044), (210, 147516), (228, 135870), (252, 122930), (266, 116460), (280, 110637), (285, 108696), (315, 98344), (342, 90580), (360, 86051), (380, 81522), (399, 77640), (420, 73758), (456, 67935), (504, 61465), (532, 58230), (570, 54348), (630, 49172), (647, 47880), (665, 46584), (684, 45290), (760, 40761), (798, 38820), (840, 36879), (855, 36232), (1064, 29115), (1140, 27174), (1197, 25880), (1260, 24586), (1294, 23940), (1330, 23292), (1368, 22645), (1596, 19410), (1710, 18116), (1941, 15960), (1995, 15528), (2280, 13587), (2394, 12940), (2520, 12293), (2588, 11970), (2660, 11646), (3192, 9705), (3235, 9576), (3420, 9058), (3882, 7980), (3990, 7764), (4529, 6840), (4788, 6470), (5176, 5985), (5320, 5823)]