81453204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1229}}^1$

素因数の和:1509

約数の個数: 72

約数和(自身を含む): 236396160

約数和(自身を除く): 154942956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 263, 526, 789, 1052, 1229, 1578, 1841, 2367, 2458, 3156, 3682, 3687, 4734, 4916, 5523, 7364, 7374, 8603, 9468, 11046, 11061, 14748, 16569, 17206, 22092, 22122, 25809, 33138, 34412, 44244, 51618, 66276, 77427, 103236, 154854, 309708, 323227, 646454, 969681, 1292908, 1939362, 2262589, 2909043, 3878724, 4525178, 5818086, 6787767, 9050356, 11636172, 13575534, 20363301, 27151068, 40726602, 81453204]

約数ペア:

[(1, 81453204), (2, 40726602), (3, 27151068), (4, 20363301), (6, 13575534), (7, 11636172), (9, 9050356), (12, 6787767), (14, 5818086), (18, 4525178), (21, 3878724), (28, 2909043), (36, 2262589), (42, 1939362), (63, 1292908), (84, 969681), (126, 646454), (252, 323227), (263, 309708), (526, 154854), (789, 103236), (1052, 77427), (1229, 66276), (1578, 51618), (1841, 44244), (2367, 34412), (2458, 33138), (3156, 25809), (3682, 22122), (3687, 22092), (4734, 17206), (4916, 16569), (5523, 14748), (7364, 11061), (7374, 11046), (8603, 9468)]