278548740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1597}}^1$

素因数の和:1651

約数の個数: 192

約数和(自身を含む): 966470400

約数和(自身を除く): 687921660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 85, 90, 95, 102, 108, 114, 135, 153, 170, 171, 180, 190, 204, 228, 255, 270, 285, 306, 323, 340, 342, 380, 459, 510, 513, 540, 570, 612, 646, 684, 765, 855, 918, 969, 1020, 1026, 1140, 1292, 1530, 1597, 1615, 1710, 1836, 1938, 2052, 2295, 2565, 2907, 3060, 3194, 3230, 3420, 3876, 4590, 4791, 4845, 5130, 5814, 6388, 6460, 7985, 8721, 9180, 9582, 9690, 10260, 11628, 14373, 14535, 15970, 17442, 19164, 19380, 23955, 27149, 28746, 29070, 30343, 31940, 34884, 43119, 43605, 47910, 54298, 57492, 58140, 60686, 71865, 81447, 86238, 87210, 91029, 95820, 108596, 121372, 135745, 143730, 151715, 162894, 172476, 174420, 182058, 215595, 244341, 271490, 273087, 287460, 303430, 325788, 364116, 407235, 431190, 455145, 488682, 515831, 542980, 546174, 606860, 733023, 814470, 819261, 862380, 910290, 977364, 1031662, 1092348, 1221705, 1365435, 1466046, 1547493, 1628940, 1638522, 1820580, 2063324, 2443410, 2579155, 2730870, 2932092, 3094986, 3277044, 3665115, 4096305, 4642479, 4886820, 5158310, 5461740, 6189972, 7330230, 7737465, 8192610, 9284958, 10316620, 13927437, 14660460, 15474930, 16385220, 18569916, 23212395, 27854874, 30949860, 46424790, 55709748, 69637185, 92849580, 139274370, 278548740]

約数ペア:

[(1, 278548740), (2, 139274370), (3, 92849580), (4, 69637185), (5, 55709748), (6, 46424790), (9, 30949860), (10, 27854874), (12, 23212395), (15, 18569916), (17, 16385220), (18, 15474930), (19, 14660460), (20, 13927437), (27, 10316620), (30, 9284958), (34, 8192610), (36, 7737465), (38, 7330230), (45, 6189972), (51, 5461740), (54, 5158310), (57, 4886820), (60, 4642479), (68, 4096305), (76, 3665115), (85, 3277044), (90, 3094986), (95, 2932092), (102, 2730870), (108, 2579155), (114, 2443410), (135, 2063324), (153, 1820580), (170, 1638522), (171, 1628940), (180, 1547493), (190, 1466046), (204, 1365435), (228, 1221705), (255, 1092348), (270, 1031662), (285, 977364), (306, 910290), (323, 862380), (340, 819261), (342, 814470), (380, 733023), (459, 606860), (510, 546174), (513, 542980), (540, 515831), (570, 488682), (612, 455145), (646, 431190), (684, 407235), (765, 364116), (855, 325788), (918, 303430), (969, 287460), (1020, 273087), (1026, 271490), (1140, 244341), (1292, 215595), (1530, 182058), (1597, 174420), (1615, 172476), (1710, 162894), (1836, 151715), (1938, 143730), (2052, 135745), (2295, 121372), (2565, 108596), (2907, 95820), (3060, 91029), (3194, 87210), (3230, 86238), (3420, 81447), (3876, 71865), (4590, 60686), (4791, 58140), (4845, 57492), (5130, 54298), (5814, 47910), (6388, 43605), (6460, 43119), (7985, 34884), (8721, 31940), (9180, 30343), (9582, 29070), (9690, 28746), (10260, 27149), (11628, 23955), (14373, 19380), (14535, 19164), (15970, 17442)]