2780726970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:633

約数の個数: 192

約数和(自身を含む): 8089804800

約数和(自身を除く): 5309077830

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 93, 98, 105, 139, 147, 155, 186, 210, 217, 245, 278, 294, 310, 417, 434, 439, 465, 490, 651, 695, 735, 834, 878, 930, 973, 1085, 1302, 1317, 1390, 1470, 1519, 1946, 2085, 2170, 2195, 2634, 2919, 3038, 3073, 3255, 4170, 4309, 4390, 4557, 4865, 5838, 6146, 6510, 6585, 6811, 7595, 8618, 9114, 9219, 9730, 12927, 13170, 13609, 13622, 14595, 15190, 15365, 18438, 20433, 21511, 21545, 22785, 25854, 27218, 29190, 30163, 30730, 34055, 40827, 40866, 43022, 43090, 45570, 46095, 60326, 61021, 64533, 64635, 68045, 68110, 81654, 90489, 92190, 95263, 102165, 107555, 122042, 129066, 129270, 136090, 150815, 180978, 183063, 190526, 204135, 204330, 211141, 215110, 285789, 301630, 305105, 322665, 366126, 408270, 422282, 427147, 452445, 476315, 571578, 610210, 633423, 645330, 666841, 854294, 904890, 915315, 952630, 1055705, 1266846, 1281441, 1333682, 1428945, 1830630, 1891651, 2000523, 2111410, 2135735, 2562882, 2857890, 2990029, 3167115, 3334205, 3783302, 4001046, 4271470, 5674953, 5980058, 6334230, 6407205, 6668410, 8970087, 9458255, 10002615, 11349906, 12814410, 13241557, 14950145, 17940174, 18916510, 20005230, 26483114, 28374765, 29900290, 39724671, 44850435, 56749530, 66207785, 79449342, 89700870, 92690899, 132415570, 185381798, 198623355, 278072697, 397246710, 463454495, 556145394, 926908990, 1390363485, 2780726970]

約数ペア:

[(1, 2780726970), (2, 1390363485), (3, 926908990), (5, 556145394), (6, 463454495), (7, 397246710), (10, 278072697), (14, 198623355), (15, 185381798), (21, 132415570), (30, 92690899), (31, 89700870), (35, 79449342), (42, 66207785), (49, 56749530), (62, 44850435), (70, 39724671), (93, 29900290), (98, 28374765), (105, 26483114), (139, 20005230), (147, 18916510), (155, 17940174), (186, 14950145), (210, 13241557), (217, 12814410), (245, 11349906), (278, 10002615), (294, 9458255), (310, 8970087), (417, 6668410), (434, 6407205), (439, 6334230), (465, 5980058), (490, 5674953), (651, 4271470), (695, 4001046), (735, 3783302), (834, 3334205), (878, 3167115), (930, 2990029), (973, 2857890), (1085, 2562882), (1302, 2135735), (1317, 2111410), (1390, 2000523), (1470, 1891651), (1519, 1830630), (1946, 1428945), (2085, 1333682), (2170, 1281441), (2195, 1266846), (2634, 1055705), (2919, 952630), (3038, 915315), (3073, 904890), (3255, 854294), (4170, 666841), (4309, 645330), (4390, 633423), (4557, 610210), (4865, 571578), (5838, 476315), (6146, 452445), (6510, 427147), (6585, 422282), (6811, 408270), (7595, 366126), (8618, 322665), (9114, 305105), (9219, 301630), (9730, 285789), (12927, 215110), (13170, 211141), (13609, 204330), (13622, 204135), (14595, 190526), (15190, 183063), (15365, 180978), (18438, 150815), (20433, 136090), (21511, 129270), (21545, 129066), (22785, 122042), (25854, 107555), (27218, 102165), (29190, 95263), (30163, 92190), (30730, 90489), (34055, 81654), (40827, 68110), (40866, 68045), (43022, 64635), (43090, 64533), (45570, 61021), (46095, 60326)]