80020920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:498

約数の個数: 192

約数和(自身を含む): 288921600

約数和(自身を除く): 208900680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 98, 105, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 245, 248, 280, 294, 310, 372, 392, 420, 434, 439, 465, 490, 588, 620, 651, 735, 744, 840, 868, 878, 930, 980, 1085, 1176, 1240, 1302, 1317, 1470, 1519, 1736, 1756, 1860, 1960, 2170, 2195, 2604, 2634, 2940, 3038, 3073, 3255, 3512, 3720, 4340, 4390, 4557, 5208, 5268, 5880, 6076, 6146, 6510, 6585, 7595, 8680, 8780, 9114, 9219, 10536, 12152, 12292, 13020, 13170, 13609, 15190, 15365, 17560, 18228, 18438, 21511, 22785, 24584, 26040, 26340, 27218, 30380, 30730, 36456, 36876, 40827, 43022, 45570, 46095, 52680, 54436, 60760, 61460, 64533, 68045, 73752, 81654, 86044, 91140, 92190, 95263, 107555, 108872, 122920, 129066, 136090, 163308, 172088, 182280, 184380, 190526, 204135, 215110, 258132, 272180, 285789, 322665, 326616, 368760, 381052, 408270, 430220, 476315, 516264, 544360, 571578, 645330, 666841, 762104, 816540, 860440, 952630, 1143156, 1290660, 1333682, 1428945, 1633080, 1905260, 2000523, 2286312, 2581320, 2667364, 2857890, 3334205, 3810520, 4001046, 5334728, 5715780, 6668410, 8002092, 10002615, 11431560, 13336820, 16004184, 20005230, 26673640, 40010460, 80020920]

約数ペア:

[(1, 80020920), (2, 40010460), (3, 26673640), (4, 20005230), (5, 16004184), (6, 13336820), (7, 11431560), (8, 10002615), (10, 8002092), (12, 6668410), (14, 5715780), (15, 5334728), (20, 4001046), (21, 3810520), (24, 3334205), (28, 2857890), (30, 2667364), (31, 2581320), (35, 2286312), (40, 2000523), (42, 1905260), (49, 1633080), (56, 1428945), (60, 1333682), (62, 1290660), (70, 1143156), (84, 952630), (93, 860440), (98, 816540), (105, 762104), (120, 666841), (124, 645330), (140, 571578), (147, 544360), (155, 516264), (168, 476315), (186, 430220), (196, 408270), (210, 381052), (217, 368760), (245, 326616), (248, 322665), (280, 285789), (294, 272180), (310, 258132), (372, 215110), (392, 204135), (420, 190526), (434, 184380), (439, 182280), (465, 172088), (490, 163308), (588, 136090), (620, 129066), (651, 122920), (735, 108872), (744, 107555), (840, 95263), (868, 92190), (878, 91140), (930, 86044), (980, 81654), (1085, 73752), (1176, 68045), (1240, 64533), (1302, 61460), (1317, 60760), (1470, 54436), (1519, 52680), (1736, 46095), (1756, 45570), (1860, 43022), (1960, 40827), (2170, 36876), (2195, 36456), (2604, 30730), (2634, 30380), (2940, 27218), (3038, 26340), (3073, 26040), (3255, 24584), (3512, 22785), (3720, 21511), (4340, 18438), (4390, 18228), (4557, 17560), (5208, 15365), (5268, 15190), (5880, 13609), (6076, 13170), (6146, 13020), (6510, 12292), (6585, 12152), (7595, 10536), (8680, 9219), (8780, 9114)]