78688120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2113}}^1$

素因数の和:2157

約数の個数: 96

約数和(自身を含む): 216896400

約数和(自身を除く): 138208280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 380, 392, 490, 532, 665, 760, 931, 980, 1064, 1330, 1862, 1960, 2113, 2660, 3724, 4226, 4655, 5320, 7448, 8452, 9310, 10565, 14791, 16904, 18620, 21130, 29582, 37240, 40147, 42260, 59164, 73955, 80294, 84520, 103537, 118328, 147910, 160588, 200735, 207074, 281029, 295820, 321176, 401470, 414148, 517685, 562058, 591640, 802940, 828296, 1035370, 1124116, 1405145, 1605880, 1967203, 2070740, 2248232, 2810290, 3934406, 4141480, 5620580, 7868812, 9836015, 11241160, 15737624, 19672030, 39344060, 78688120]

約数ペア:

[(1, 78688120), (2, 39344060), (4, 19672030), (5, 15737624), (7, 11241160), (8, 9836015), (10, 7868812), (14, 5620580), (19, 4141480), (20, 3934406), (28, 2810290), (35, 2248232), (38, 2070740), (40, 1967203), (49, 1605880), (56, 1405145), (70, 1124116), (76, 1035370), (95, 828296), (98, 802940), (133, 591640), (140, 562058), (152, 517685), (190, 414148), (196, 401470), (245, 321176), (266, 295820), (280, 281029), (380, 207074), (392, 200735), (490, 160588), (532, 147910), (665, 118328), (760, 103537), (931, 84520), (980, 80294), (1064, 73955), (1330, 59164), (1862, 42260), (1960, 40147), (2113, 37240), (2660, 29582), (3724, 21130), (4226, 18620), (4655, 16904), (5320, 14791), (7448, 10565), (8452, 9310)]