16805700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:354

約数の個数: 108

約数和(自身を含む): 53621568

約数和(自身を除く): 36815868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 71, 75, 90, 100, 142, 150, 180, 213, 225, 263, 284, 300, 355, 426, 450, 526, 639, 710, 789, 852, 900, 1052, 1065, 1278, 1315, 1420, 1578, 1775, 2130, 2367, 2556, 2630, 3156, 3195, 3550, 3945, 4260, 4734, 5260, 5325, 6390, 6575, 7100, 7890, 9468, 10650, 11835, 12780, 13150, 15780, 15975, 18673, 19725, 21300, 23670, 26300, 31950, 37346, 39450, 47340, 56019, 59175, 63900, 74692, 78900, 93365, 112038, 118350, 168057, 186730, 224076, 236700, 280095, 336114, 373460, 466825, 560190, 672228, 840285, 933650, 1120380, 1400475, 1680570, 1867300, 2800950, 3361140, 4201425, 5601900, 8402850, 16805700]

約数ペア:

[(1, 16805700), (2, 8402850), (3, 5601900), (4, 4201425), (5, 3361140), (6, 2800950), (9, 1867300), (10, 1680570), (12, 1400475), (15, 1120380), (18, 933650), (20, 840285), (25, 672228), (30, 560190), (36, 466825), (45, 373460), (50, 336114), (60, 280095), (71, 236700), (75, 224076), (90, 186730), (100, 168057), (142, 118350), (150, 112038), (180, 93365), (213, 78900), (225, 74692), (263, 63900), (284, 59175), (300, 56019), (355, 47340), (426, 39450), (450, 37346), (526, 31950), (639, 26300), (710, 23670), (789, 21300), (852, 19725), (900, 18673), (1052, 15975), (1065, 15780), (1278, 13150), (1315, 12780), (1420, 11835), (1578, 10650), (1775, 9468), (2130, 7890), (2367, 7100), (2556, 6575), (2630, 6390), (3156, 5325), (3195, 5260), (3550, 4734), (3945, 4260)]