79005420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1777}}^1$

素因数の和:1824

約数の個数: 144

約数和(自身を含む): 271820640

約数和(自身を除く): 192815220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 1777, 2223, 2340, 2470, 2964, 3420, 3554, 3705, 4446, 4940, 5331, 7108, 7410, 8885, 8892, 10662, 11115, 14820, 15993, 17770, 21324, 22230, 23101, 26655, 31986, 33763, 35540, 44460, 46202, 53310, 63972, 67526, 69303, 79965, 92404, 101289, 106620, 115505, 135052, 138606, 159930, 168815, 202578, 207909, 231010, 277212, 303867, 319860, 337630, 346515, 405156, 415818, 438919, 462020, 506445, 607734, 675260, 693030, 831636, 877838, 1012890, 1039545, 1215468, 1316757, 1386060, 1519335, 1755676, 2025780, 2079090, 2194595, 2633514, 3038670, 3950271, 4158180, 4389190, 5267028, 6077340, 6583785, 7900542, 8778380, 13167570, 15801084, 19751355, 26335140, 39502710, 79005420]

約数ペア:

[(1, 79005420), (2, 39502710), (3, 26335140), (4, 19751355), (5, 15801084), (6, 13167570), (9, 8778380), (10, 7900542), (12, 6583785), (13, 6077340), (15, 5267028), (18, 4389190), (19, 4158180), (20, 3950271), (26, 3038670), (30, 2633514), (36, 2194595), (38, 2079090), (39, 2025780), (45, 1755676), (52, 1519335), (57, 1386060), (60, 1316757), (65, 1215468), (76, 1039545), (78, 1012890), (90, 877838), (95, 831636), (114, 693030), (117, 675260), (130, 607734), (156, 506445), (171, 462020), (180, 438919), (190, 415818), (195, 405156), (228, 346515), (234, 337630), (247, 319860), (260, 303867), (285, 277212), (342, 231010), (380, 207909), (390, 202578), (468, 168815), (494, 159930), (570, 138606), (585, 135052), (684, 115505), (741, 106620), (780, 101289), (855, 92404), (988, 79965), (1140, 69303), (1170, 67526), (1235, 63972), (1482, 53310), (1710, 46202), (1777, 44460), (2223, 35540), (2340, 33763), (2470, 31986), (2964, 26655), (3420, 23101), (3554, 22230), (3705, 21324), (4446, 17770), (4940, 15993), (5331, 14820), (7108, 11115), (7410, 10662), (8885, 8892)]