1641704820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{18013}}^1$

素因数の和:18070

約数の個数: 144

約数和(自身を含む): 5520066048

約数和(自身を除く): 3878361228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2940, 3038, 3255, 4340, 4557, 6076, 6510, 7595, 9114, 13020, 15190, 18013, 18228, 22785, 30380, 36026, 45570, 54039, 72052, 90065, 91140, 108078, 126091, 180130, 216156, 252182, 270195, 360260, 378273, 504364, 540390, 558403, 630455, 756546, 882637, 1080780, 1116806, 1260910, 1513092, 1675209, 1765274, 1891365, 2233612, 2521820, 2647911, 2792015, 3350418, 3530548, 3782730, 3908821, 4413185, 5295822, 5584030, 6700836, 7565460, 7817642, 8376045, 8826370, 10591644, 11168060, 11726463, 13239555, 15635284, 16752090, 17652740, 19544105, 23452926, 26479110, 27361747, 33504180, 39088210, 46905852, 52958220, 54723494, 58632315, 78176420, 82085241, 109446988, 117264630, 136808735, 164170482, 234529260, 273617470, 328340964, 410426205, 547234940, 820852410, 1641704820]

約数ペア:

[(1, 1641704820), (2, 820852410), (3, 547234940), (4, 410426205), (5, 328340964), (6, 273617470), (7, 234529260), (10, 164170482), (12, 136808735), (14, 117264630), (15, 109446988), (20, 82085241), (21, 78176420), (28, 58632315), (30, 54723494), (31, 52958220), (35, 46905852), (42, 39088210), (49, 33504180), (60, 27361747), (62, 26479110), (70, 23452926), (84, 19544105), (93, 17652740), (98, 16752090), (105, 15635284), (124, 13239555), (140, 11726463), (147, 11168060), (155, 10591644), (186, 8826370), (196, 8376045), (210, 7817642), (217, 7565460), (245, 6700836), (294, 5584030), (310, 5295822), (372, 4413185), (420, 3908821), (434, 3782730), (465, 3530548), (490, 3350418), (588, 2792015), (620, 2647911), (651, 2521820), (735, 2233612), (868, 1891365), (930, 1765274), (980, 1675209), (1085, 1513092), (1302, 1260910), (1470, 1116806), (1519, 1080780), (1860, 882637), (2170, 756546), (2604, 630455), (2940, 558403), (3038, 540390), (3255, 504364), (4340, 378273), (4557, 360260), (6076, 270195), (6510, 252182), (7595, 216156), (9114, 180130), (13020, 126091), (15190, 108078), (18013, 91140), (18228, 90065), (22785, 72052), (30380, 54039), (36026, 45570)]