77043680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:377

約数の個数: 144

約数和(自身を含む): 219252096

約数和(自身を除く): 142208416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 317, 392, 434, 490, 496, 560, 620, 634, 784, 868, 980, 992, 1085, 1120, 1240, 1268, 1519, 1568, 1585, 1736, 1960, 2170, 2219, 2480, 2536, 3038, 3170, 3472, 3920, 4340, 4438, 4960, 5072, 6076, 6340, 6944, 7595, 7840, 8680, 8876, 9827, 10144, 11095, 12152, 12680, 15190, 15533, 17360, 17752, 19654, 22190, 24304, 25360, 30380, 31066, 34720, 35504, 39308, 44380, 48608, 49135, 50720, 60760, 62132, 68789, 71008, 77665, 78616, 88760, 98270, 121520, 124264, 137578, 155330, 157232, 177520, 196540, 243040, 248528, 275156, 310660, 314464, 343945, 355040, 393080, 481523, 497056, 550312, 621320, 687890, 786160, 963046, 1100624, 1242640, 1375780, 1572320, 1926092, 2201248, 2407615, 2485280, 2751560, 3852184, 4815230, 5503120, 7704368, 9630460, 11006240, 15408736, 19260920, 38521840, 77043680]

約数ペア:

[(1, 77043680), (2, 38521840), (4, 19260920), (5, 15408736), (7, 11006240), (8, 9630460), (10, 7704368), (14, 5503120), (16, 4815230), (20, 3852184), (28, 2751560), (31, 2485280), (32, 2407615), (35, 2201248), (40, 1926092), (49, 1572320), (56, 1375780), (62, 1242640), (70, 1100624), (80, 963046), (98, 786160), (112, 687890), (124, 621320), (140, 550312), (155, 497056), (160, 481523), (196, 393080), (217, 355040), (224, 343945), (245, 314464), (248, 310660), (280, 275156), (310, 248528), (317, 243040), (392, 196540), (434, 177520), (490, 157232), (496, 155330), (560, 137578), (620, 124264), (634, 121520), (784, 98270), (868, 88760), (980, 78616), (992, 77665), (1085, 71008), (1120, 68789), (1240, 62132), (1268, 60760), (1519, 50720), (1568, 49135), (1585, 48608), (1736, 44380), (1960, 39308), (2170, 35504), (2219, 34720), (2480, 31066), (2536, 30380), (3038, 25360), (3170, 24304), (3472, 22190), (3920, 19654), (4340, 17752), (4438, 17360), (4960, 15533), (5072, 15190), (6076, 12680), (6340, 12152), (6944, 11095), (7595, 10144), (7840, 9827), (8680, 8876)]