161303840

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:490

約数の個数: 96

約数和(自身を含む): 397281024

約数和(自身を除く): 235977184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 67, 80, 82, 134, 160, 164, 205, 268, 328, 335, 367, 410, 536, 656, 670, 734, 820, 1072, 1312, 1340, 1468, 1640, 1835, 2144, 2680, 2747, 2936, 3280, 3670, 5360, 5494, 5872, 6560, 7340, 10720, 10988, 11744, 13735, 14680, 15047, 21976, 24589, 27470, 29360, 30094, 43952, 49178, 54940, 58720, 60188, 75235, 87904, 98356, 109880, 120376, 122945, 150470, 196712, 219760, 240752, 245890, 300940, 393424, 439520, 481504, 491780, 601880, 786848, 983560, 1008149, 1203760, 1967120, 2016298, 2407520, 3934240, 4032596, 5040745, 8065192, 10081490, 16130384, 20162980, 32260768, 40325960, 80651920, 161303840]

約数ペア:

[(1, 161303840), (2, 80651920), (4, 40325960), (5, 32260768), (8, 20162980), (10, 16130384), (16, 10081490), (20, 8065192), (32, 5040745), (40, 4032596), (41, 3934240), (67, 2407520), (80, 2016298), (82, 1967120), (134, 1203760), (160, 1008149), (164, 983560), (205, 786848), (268, 601880), (328, 491780), (335, 481504), (367, 439520), (410, 393424), (536, 300940), (656, 245890), (670, 240752), (734, 219760), (820, 196712), (1072, 150470), (1312, 122945), (1340, 120376), (1468, 109880), (1640, 98356), (1835, 87904), (2144, 75235), (2680, 60188), (2747, 58720), (2936, 54940), (3280, 49178), (3670, 43952), (5360, 30094), (5494, 29360), (5872, 27470), (6560, 24589), (7340, 21976), (10720, 15047), (10988, 14680), (11744, 13735)]