248634540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17939}}^1$

素因数の和:17972

約数の個数: 144

約数和(自身を含む): 940343040

約数和(自身を除く): 691708500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 17939, 35878, 53817, 71756, 89695, 107634, 125573, 161451, 179390, 197329, 215268, 251146, 269085, 322902, 358780, 376719, 394658, 502292, 538170, 591987, 627865, 645804, 753438, 789316, 807255, 986645, 1076340, 1130157, 1183974, 1255730, 1381303, 1506876, 1614510, 1775961, 1883595, 1973290, 2260314, 2367948, 2511460, 2762606, 2959935, 3229020, 3551922, 3767190, 3946580, 4143909, 4520628, 5525212, 5650785, 5919870, 6906515, 7103844, 7534380, 8287818, 8879805, 11301570, 11839740, 12431727, 13813030, 16575636, 17759610, 20719545, 22603140, 24863454, 27626060, 35519220, 41439090, 49726908, 62158635, 82878180, 124317270, 248634540]

約数ペア:

[(1, 248634540), (2, 124317270), (3, 82878180), (4, 62158635), (5, 49726908), (6, 41439090), (7, 35519220), (9, 27626060), (10, 24863454), (11, 22603140), (12, 20719545), (14, 17759610), (15, 16575636), (18, 13813030), (20, 12431727), (21, 11839740), (22, 11301570), (28, 8879805), (30, 8287818), (33, 7534380), (35, 7103844), (36, 6906515), (42, 5919870), (44, 5650785), (45, 5525212), (55, 4520628), (60, 4143909), (63, 3946580), (66, 3767190), (70, 3551922), (77, 3229020), (84, 2959935), (90, 2762606), (99, 2511460), (105, 2367948), (110, 2260314), (126, 1973290), (132, 1883595), (140, 1775961), (154, 1614510), (165, 1506876), (180, 1381303), (198, 1255730), (210, 1183974), (220, 1130157), (231, 1076340), (252, 986645), (308, 807255), (315, 789316), (330, 753438), (385, 645804), (396, 627865), (420, 591987), (462, 538170), (495, 502292), (630, 394658), (660, 376719), (693, 358780), (770, 322902), (924, 269085), (990, 251146), (1155, 215268), (1260, 197329), (1386, 179390), (1540, 161451), (1980, 125573), (2310, 107634), (2772, 89695), (3465, 71756), (4620, 53817), (6930, 35878), (13860, 17939)]