64468560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20663}}^1$

素因数の和:20692

約数の個数: 80

約数和(自身を含む): 215236224

約数和(自身を除く): 150767664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 20663, 41326, 61989, 82652, 103315, 123978, 165304, 206630, 247956, 268619, 309945, 330608, 413260, 495912, 537238, 619890, 805857, 826520, 991824, 1074476, 1239780, 1343095, 1611714, 1653040, 2148952, 2479560, 2686190, 3223428, 4029285, 4297904, 4959120, 5372380, 6446856, 8058570, 10744760, 12893712, 16117140, 21489520, 32234280, 64468560]

約数ペア:

[(1, 64468560), (2, 32234280), (3, 21489520), (4, 16117140), (5, 12893712), (6, 10744760), (8, 8058570), (10, 6446856), (12, 5372380), (13, 4959120), (15, 4297904), (16, 4029285), (20, 3223428), (24, 2686190), (26, 2479560), (30, 2148952), (39, 1653040), (40, 1611714), (48, 1343095), (52, 1239780), (60, 1074476), (65, 991824), (78, 826520), (80, 805857), (104, 619890), (120, 537238), (130, 495912), (156, 413260), (195, 330608), (208, 309945), (240, 268619), (260, 247956), (312, 206630), (390, 165304), (520, 123978), (624, 103315), (780, 82652), (1040, 61989), (1560, 41326), (3120, 20663)]