257437080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:714

約数の個数: 192

約数和(自身を含む): 896594400

約数和(自身を除く): 639157320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 61, 72, 76, 90, 95, 114, 120, 122, 152, 171, 180, 183, 190, 228, 244, 285, 305, 342, 360, 366, 380, 456, 488, 549, 570, 610, 617, 684, 732, 760, 855, 915, 1098, 1140, 1159, 1220, 1234, 1368, 1464, 1710, 1830, 1851, 2196, 2280, 2318, 2440, 2468, 2745, 3085, 3420, 3477, 3660, 3702, 4392, 4636, 4936, 5490, 5553, 5795, 6170, 6840, 6954, 7320, 7404, 9255, 9272, 10431, 10980, 11106, 11590, 11723, 12340, 13908, 14808, 17385, 18510, 20862, 21960, 22212, 23180, 23446, 24680, 27765, 27816, 34770, 35169, 37020, 37637, 41724, 44424, 46360, 46892, 52155, 55530, 58615, 69540, 70338, 74040, 75274, 83448, 93784, 104310, 105507, 111060, 112911, 117230, 139080, 140676, 150548, 175845, 188185, 208620, 211014, 222120, 225822, 234460, 281352, 301096, 338733, 351690, 376370, 417240, 422028, 451644, 468920, 527535, 564555, 677466, 703380, 715103, 752740, 844056, 903288, 1055070, 1129110, 1354932, 1406760, 1430206, 1505480, 1693665, 2110140, 2145309, 2258220, 2709864, 2860412, 3387330, 3575515, 4220280, 4290618, 4516440, 5720824, 6435927, 6774660, 7151030, 8581236, 10726545, 12871854, 13549320, 14302060, 17162472, 21453090, 25743708, 28604120, 32179635, 42906180, 51487416, 64359270, 85812360, 128718540, 257437080]

約数ペア:

[(1, 257437080), (2, 128718540), (3, 85812360), (4, 64359270), (5, 51487416), (6, 42906180), (8, 32179635), (9, 28604120), (10, 25743708), (12, 21453090), (15, 17162472), (18, 14302060), (19, 13549320), (20, 12871854), (24, 10726545), (30, 8581236), (36, 7151030), (38, 6774660), (40, 6435927), (45, 5720824), (57, 4516440), (60, 4290618), (61, 4220280), (72, 3575515), (76, 3387330), (90, 2860412), (95, 2709864), (114, 2258220), (120, 2145309), (122, 2110140), (152, 1693665), (171, 1505480), (180, 1430206), (183, 1406760), (190, 1354932), (228, 1129110), (244, 1055070), (285, 903288), (305, 844056), (342, 752740), (360, 715103), (366, 703380), (380, 677466), (456, 564555), (488, 527535), (549, 468920), (570, 451644), (610, 422028), (617, 417240), (684, 376370), (732, 351690), (760, 338733), (855, 301096), (915, 281352), (1098, 234460), (1140, 225822), (1159, 222120), (1220, 211014), (1234, 208620), (1368, 188185), (1464, 175845), (1710, 150548), (1830, 140676), (1851, 139080), (2196, 117230), (2280, 112911), (2318, 111060), (2440, 105507), (2468, 104310), (2745, 93784), (3085, 83448), (3420, 75274), (3477, 74040), (3660, 70338), (3702, 69540), (4392, 58615), (4636, 55530), (4936, 52155), (5490, 46892), (5553, 46360), (5795, 44424), (6170, 41724), (6840, 37637), (6954, 37020), (7320, 35169), (7404, 34770), (9255, 27816), (9272, 27765), (10431, 24680), (10980, 23446), (11106, 23180), (11590, 22212), (11723, 21960), (12340, 20862), (13908, 18510), (14808, 17385)]