138735720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6761}}^1$

素因数の和:6800

約数の個数: 128

約数和(自身を含む): 486864000

約数和(自身を除く): 348128280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6761, 6840, 10260, 13522, 20283, 20520, 27044, 33805, 40566, 54088, 60849, 67610, 81132, 101415, 121698, 128459, 135220, 162264, 182547, 202830, 243396, 256918, 270440, 304245, 365094, 385377, 405660, 486792, 513836, 608490, 642295, 730188, 770754, 811320, 912735, 1027672, 1156131, 1216980, 1284590, 1460376, 1541508, 1825470, 1926885, 2312262, 2433960, 2569180, 3083016, 3468393, 3650940, 3853770, 4624524, 5138360, 5780655, 6936786, 7301880, 7707540, 9249048, 11561310, 13873572, 15415080, 17341965, 23122620, 27747144, 34683930, 46245240, 69367860, 138735720]

約数ペア:

[(1, 138735720), (2, 69367860), (3, 46245240), (4, 34683930), (5, 27747144), (6, 23122620), (8, 17341965), (9, 15415080), (10, 13873572), (12, 11561310), (15, 9249048), (18, 7707540), (19, 7301880), (20, 6936786), (24, 5780655), (27, 5138360), (30, 4624524), (36, 3853770), (38, 3650940), (40, 3468393), (45, 3083016), (54, 2569180), (57, 2433960), (60, 2312262), (72, 1926885), (76, 1825470), (90, 1541508), (95, 1460376), (108, 1284590), (114, 1216980), (120, 1156131), (135, 1027672), (152, 912735), (171, 811320), (180, 770754), (190, 730188), (216, 642295), (228, 608490), (270, 513836), (285, 486792), (342, 405660), (360, 385377), (380, 365094), (456, 304245), (513, 270440), (540, 256918), (570, 243396), (684, 202830), (760, 182547), (855, 162264), (1026, 135220), (1080, 128459), (1140, 121698), (1368, 101415), (1710, 81132), (2052, 67610), (2280, 60849), (2565, 54088), (3420, 40566), (4104, 33805), (5130, 27044), (6761, 20520), (6840, 20283), (10260, 13522)]