257346180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5237}}^1$

素因数の和:5275

約数の個数: 192

約数和(自身を含む): 985582080

約数和(自身を除く): 728235900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1365, 1404, 1638, 1755, 1820, 1890, 2340, 2457, 2730, 3276, 3510, 3780, 4095, 4914, 5237, 5460, 7020, 8190, 9828, 10474, 12285, 15711, 16380, 20948, 24570, 26185, 31422, 36659, 47133, 49140, 52370, 62844, 68081, 73318, 78555, 94266, 104740, 109977, 136162, 141399, 146636, 157110, 183295, 188532, 204243, 219954, 235665, 272324, 282798, 314220, 329931, 340405, 366590, 408486, 439908, 471330, 476567, 549885, 565596, 612729, 659862, 680810, 706995, 733180, 816972, 942660, 953134, 989793, 1021215, 1099770, 1225458, 1319724, 1361620, 1413990, 1429701, 1649655, 1838187, 1906268, 1979586, 2042430, 2199540, 2382835, 2450916, 2827980, 2859402, 3063645, 3299310, 3676374, 3959172, 4084860, 4289103, 4765670, 4948965, 5718804, 6127290, 6598620, 7148505, 7352748, 8578206, 9190935, 9531340, 9897930, 12254580, 12867309, 14297010, 17156412, 18381870, 19795860, 21445515, 25734618, 28594020, 36763740, 42891030, 51469236, 64336545, 85782060, 128673090, 257346180]

約数ペア:

[(1, 257346180), (2, 128673090), (3, 85782060), (4, 64336545), (5, 51469236), (6, 42891030), (7, 36763740), (9, 28594020), (10, 25734618), (12, 21445515), (13, 19795860), (14, 18381870), (15, 17156412), (18, 14297010), (20, 12867309), (21, 12254580), (26, 9897930), (27, 9531340), (28, 9190935), (30, 8578206), (35, 7352748), (36, 7148505), (39, 6598620), (42, 6127290), (45, 5718804), (52, 4948965), (54, 4765670), (60, 4289103), (63, 4084860), (65, 3959172), (70, 3676374), (78, 3299310), (84, 3063645), (90, 2859402), (91, 2827980), (105, 2450916), (108, 2382835), (117, 2199540), (126, 2042430), (130, 1979586), (135, 1906268), (140, 1838187), (156, 1649655), (180, 1429701), (182, 1413990), (189, 1361620), (195, 1319724), (210, 1225458), (234, 1099770), (252, 1021215), (260, 989793), (270, 953134), (273, 942660), (315, 816972), (351, 733180), (364, 706995), (378, 680810), (390, 659862), (420, 612729), (455, 565596), (468, 549885), (540, 476567), (546, 471330), (585, 439908), (630, 408486), (702, 366590), (756, 340405), (780, 329931), (819, 314220), (910, 282798), (945, 272324), (1092, 235665), (1170, 219954), (1260, 204243), (1365, 188532), (1404, 183295), (1638, 157110), (1755, 146636), (1820, 141399), (1890, 136162), (2340, 109977), (2457, 104740), (2730, 94266), (3276, 78555), (3510, 73318), (3780, 68081), (4095, 62844), (4914, 52370), (5237, 49140), (5460, 47133), (7020, 36659), (8190, 31422), (9828, 26185), (10474, 24570), (12285, 20948), (15711, 16380)]