1620781624

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:394

約数の個数: 192

約数和(自身を含む): 4130265600

約数和(自身を除く): 2509483976

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 49, 56, 73, 76, 77, 88, 98, 133, 146, 152, 154, 196, 209, 266, 271, 292, 308, 392, 418, 511, 532, 539, 542, 584, 616, 803, 836, 931, 1022, 1064, 1078, 1084, 1387, 1463, 1606, 1672, 1862, 1897, 2044, 2156, 2168, 2774, 2926, 2981, 3212, 3577, 3724, 3794, 4088, 4312, 5149, 5548, 5621, 5852, 5962, 6424, 7154, 7448, 7588, 9709, 10241, 10298, 11096, 11242, 11704, 11924, 13279, 14308, 15176, 15257, 19418, 19783, 20482, 20596, 20867, 22484, 23848, 26558, 28616, 30514, 36043, 38836, 39347, 39566, 40964, 41192, 41734, 44968, 53116, 56639, 61028, 67963, 72086, 77672, 78694, 79132, 81928, 83468, 106232, 106799, 113278, 122056, 135926, 138481, 144172, 146069, 157388, 158264, 166936, 213598, 217613, 226556, 252301, 271852, 276962, 288344, 292138, 314776, 375877, 396473, 427196, 435226, 453112, 504602, 543704, 553924, 584276, 747593, 751754, 792946, 854392, 870452, 969367, 1009204, 1107848, 1168552, 1495186, 1503508, 1523291, 1585892, 1740904, 1938734, 2018408, 2631139, 2775311, 2990372, 3007016, 3046582, 3171784, 3877468, 4134647, 5262278, 5550622, 5980744, 6093164, 7754936, 8269294, 10524556, 10663037, 11101244, 12186328, 16538588, 18417973, 21049112, 21326074, 22202488, 28942529, 33077176, 36835946, 42652148, 57885058, 73671892, 85304296, 115770116, 147343784, 202597703, 231540232, 405195406, 810390812, 1620781624]

約数ペア:

[(1, 1620781624), (2, 810390812), (4, 405195406), (7, 231540232), (8, 202597703), (11, 147343784), (14, 115770116), (19, 85304296), (22, 73671892), (28, 57885058), (38, 42652148), (44, 36835946), (49, 33077176), (56, 28942529), (73, 22202488), (76, 21326074), (77, 21049112), (88, 18417973), (98, 16538588), (133, 12186328), (146, 11101244), (152, 10663037), (154, 10524556), (196, 8269294), (209, 7754936), (266, 6093164), (271, 5980744), (292, 5550622), (308, 5262278), (392, 4134647), (418, 3877468), (511, 3171784), (532, 3046582), (539, 3007016), (542, 2990372), (584, 2775311), (616, 2631139), (803, 2018408), (836, 1938734), (931, 1740904), (1022, 1585892), (1064, 1523291), (1078, 1503508), (1084, 1495186), (1387, 1168552), (1463, 1107848), (1606, 1009204), (1672, 969367), (1862, 870452), (1897, 854392), (2044, 792946), (2156, 751754), (2168, 747593), (2774, 584276), (2926, 553924), (2981, 543704), (3212, 504602), (3577, 453112), (3724, 435226), (3794, 427196), (4088, 396473), (4312, 375877), (5149, 314776), (5548, 292138), (5621, 288344), (5852, 276962), (5962, 271852), (6424, 252301), (7154, 226556), (7448, 217613), (7588, 213598), (9709, 166936), (10241, 158264), (10298, 157388), (11096, 146069), (11242, 144172), (11704, 138481), (11924, 135926), (13279, 122056), (14308, 113278), (15176, 106799), (15257, 106232), (19418, 83468), (19783, 81928), (20482, 79132), (20596, 78694), (20867, 77672), (22484, 72086), (23848, 67963), (26558, 61028), (28616, 56639), (30514, 53116), (36043, 44968), (38836, 41734), (39347, 41192), (39566, 40964)]