80719380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{64063}}^1$

素因数の和:64085

約数の個数: 72

約数和(自身を含む): 279831552

約数和(自身を除く): 199112172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 64063, 128126, 192189, 256252, 320315, 384378, 448441, 576567, 640630, 768756, 896882, 960945, 1153134, 1281260, 1345323, 1793764, 1921890, 2242205, 2306268, 2690646, 2882835, 3843780, 4035969, 4484410, 5381292, 5765670, 6726615, 8071938, 8968820, 11531340, 13453230, 16143876, 20179845, 26906460, 40359690, 80719380]

約数ペア:

[(1, 80719380), (2, 40359690), (3, 26906460), (4, 20179845), (5, 16143876), (6, 13453230), (7, 11531340), (9, 8968820), (10, 8071938), (12, 6726615), (14, 5765670), (15, 5381292), (18, 4484410), (20, 4035969), (21, 3843780), (28, 2882835), (30, 2690646), (35, 2306268), (36, 2242205), (42, 1921890), (45, 1793764), (60, 1345323), (63, 1281260), (70, 1153134), (84, 960945), (90, 896882), (105, 768756), (126, 640630), (140, 576567), (180, 448441), (210, 384378), (252, 320315), (315, 256252), (420, 192189), (630, 128126), (1260, 64063)]