81433560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52201}}^1$

素因数の和:52228

約数の個数: 64

約数和(自身を含む): 263098080

約数和(自身を除く): 181664520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 52201, 104402, 156603, 208804, 261005, 313206, 417608, 522010, 626412, 678613, 783015, 1044020, 1252824, 1357226, 1566030, 2035839, 2088040, 2714452, 3132060, 3393065, 4071678, 5428904, 6264120, 6786130, 8143356, 10179195, 13572260, 16286712, 20358390, 27144520, 40716780, 81433560]

約数ペア:

[(1, 81433560), (2, 40716780), (3, 27144520), (4, 20358390), (5, 16286712), (6, 13572260), (8, 10179195), (10, 8143356), (12, 6786130), (13, 6264120), (15, 5428904), (20, 4071678), (24, 3393065), (26, 3132060), (30, 2714452), (39, 2088040), (40, 2035839), (52, 1566030), (60, 1357226), (65, 1252824), (78, 1044020), (104, 783015), (120, 678613), (130, 626412), (156, 522010), (195, 417608), (260, 313206), (312, 261005), (390, 208804), (520, 156603), (780, 104402), (1560, 52201)]