278324748

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:95

約数の個数: 240

約数和(自身を含む): 870851520

約数和(自身を除く): 592526772

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 23, 26, 27, 34, 36, 39, 46, 51, 52, 54, 68, 69, 78, 81, 92, 102, 108, 117, 138, 153, 156, 162, 169, 204, 207, 221, 234, 276, 299, 306, 324, 338, 351, 391, 414, 442, 459, 468, 507, 598, 612, 621, 663, 676, 702, 782, 828, 884, 897, 918, 1014, 1053, 1173, 1196, 1242, 1326, 1377, 1404, 1521, 1564, 1794, 1836, 1863, 1989, 2028, 2106, 2197, 2346, 2484, 2652, 2691, 2754, 2873, 3042, 3519, 3588, 3726, 3887, 3978, 4212, 4394, 4563, 4692, 5083, 5382, 5508, 5746, 5967, 6084, 6591, 7038, 7452, 7774, 7956, 8073, 8619, 8788, 9126, 10166, 10557, 10764, 11492, 11661, 11934, 13182, 13689, 14076, 15249, 15548, 16146, 17238, 17901, 18252, 19773, 20332, 21114, 23322, 23868, 24219, 25857, 26364, 27378, 30498, 31671, 32292, 34476, 34983, 35802, 37349, 39546, 42228, 45747, 46644, 48438, 50531, 51714, 54756, 59319, 60996, 63342, 66079, 69966, 71604, 74698, 77571, 79092, 91494, 96876, 101062, 103428, 104949, 112047, 118638, 126684, 132158, 137241, 139932, 149396, 151593, 155142, 177957, 182988, 198237, 202124, 209898, 224094, 232713, 237276, 264316, 274482, 303186, 310284, 314847, 336141, 355914, 396474, 411723, 419796, 448188, 454779, 465426, 548964, 594711, 606372, 629694, 672282, 711828, 792948, 823446, 859027, 909558, 930852, 1008423, 1189422, 1259388, 1344564, 1364337, 1646892, 1718054, 1784133, 1819116, 2016846, 2378844, 2577081, 2728674, 3025269, 3436108, 3568266, 4033692, 4093011, 5154162, 5352399, 5457348, 6050538, 7136532, 7731243, 8186022, 10308324, 10704798, 12101076, 15462486, 16372044, 21409596, 23193729, 30924972, 46387458, 69581187, 92774916, 139162374, 278324748]

約数ペア:

[(1, 278324748), (2, 139162374), (3, 92774916), (4, 69581187), (6, 46387458), (9, 30924972), (12, 23193729), (13, 21409596), (17, 16372044), (18, 15462486), (23, 12101076), (26, 10704798), (27, 10308324), (34, 8186022), (36, 7731243), (39, 7136532), (46, 6050538), (51, 5457348), (52, 5352399), (54, 5154162), (68, 4093011), (69, 4033692), (78, 3568266), (81, 3436108), (92, 3025269), (102, 2728674), (108, 2577081), (117, 2378844), (138, 2016846), (153, 1819116), (156, 1784133), (162, 1718054), (169, 1646892), (204, 1364337), (207, 1344564), (221, 1259388), (234, 1189422), (276, 1008423), (299, 930852), (306, 909558), (324, 859027), (338, 823446), (351, 792948), (391, 711828), (414, 672282), (442, 629694), (459, 606372), (468, 594711), (507, 548964), (598, 465426), (612, 454779), (621, 448188), (663, 419796), (676, 411723), (702, 396474), (782, 355914), (828, 336141), (884, 314847), (897, 310284), (918, 303186), (1014, 274482), (1053, 264316), (1173, 237276), (1196, 232713), (1242, 224094), (1326, 209898), (1377, 202124), (1404, 198237), (1521, 182988), (1564, 177957), (1794, 155142), (1836, 151593), (1863, 149396), (1989, 139932), (2028, 137241), (2106, 132158), (2197, 126684), (2346, 118638), (2484, 112047), (2652, 104949), (2691, 103428), (2754, 101062), (2873, 96876), (3042, 91494), (3519, 79092), (3588, 77571), (3726, 74698), (3887, 71604), (3978, 69966), (4212, 66079), (4394, 63342), (4563, 60996), (4692, 59319), (5083, 54756), (5382, 51714), (5508, 50531), (5746, 48438), (5967, 46644), (6084, 45747), (6591, 42228), (7038, 39546), (7452, 37349), (7774, 35802), (7956, 34983), (8073, 34476), (8619, 32292), (8788, 31671), (9126, 30498), (10166, 27378), (10557, 26364), (10764, 25857), (11492, 24219), (11661, 23868), (11934, 23322), (13182, 21114), (13689, 20332), (14076, 19773), (15249, 18252), (15548, 17901), (16146, 17238)]