157680880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{293}}^1$

素因数の和:375

約数の個数: 120

約数和(自身を含む): 434409696

約数和(自身を除く): 276728816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 293, 310, 434, 496, 560, 586, 620, 868, 961, 1085, 1172, 1240, 1465, 1736, 1922, 2051, 2170, 2344, 2480, 2930, 3472, 3844, 4102, 4340, 4688, 4805, 5860, 6727, 7688, 8204, 8680, 9083, 9610, 10255, 11720, 13454, 15376, 16408, 17360, 18166, 19220, 20510, 23440, 26908, 32816, 33635, 36332, 38440, 41020, 45415, 53816, 63581, 67270, 72664, 76880, 82040, 90830, 107632, 127162, 134540, 145328, 164080, 181660, 254324, 269080, 281573, 317905, 363320, 508648, 538160, 563146, 635810, 726640, 1017296, 1126292, 1271620, 1407865, 1971011, 2252584, 2543240, 2815730, 3942022, 4505168, 5086480, 5631460, 7884044, 9855055, 11262920, 15768088, 19710110, 22525840, 31536176, 39420220, 78840440, 157680880]

約数ペア:

[(1, 157680880), (2, 78840440), (4, 39420220), (5, 31536176), (7, 22525840), (8, 19710110), (10, 15768088), (14, 11262920), (16, 9855055), (20, 7884044), (28, 5631460), (31, 5086480), (35, 4505168), (40, 3942022), (56, 2815730), (62, 2543240), (70, 2252584), (80, 1971011), (112, 1407865), (124, 1271620), (140, 1126292), (155, 1017296), (217, 726640), (248, 635810), (280, 563146), (293, 538160), (310, 508648), (434, 363320), (496, 317905), (560, 281573), (586, 269080), (620, 254324), (868, 181660), (961, 164080), (1085, 145328), (1172, 134540), (1240, 127162), (1465, 107632), (1736, 90830), (1922, 82040), (2051, 76880), (2170, 72664), (2344, 67270), (2480, 63581), (2930, 53816), (3472, 45415), (3844, 41020), (4102, 38440), (4340, 36332), (4688, 33635), (4805, 32816), (5860, 26908), (6727, 23440), (7688, 20510), (8204, 19220), (8680, 18166), (9083, 17360), (9610, 16408), (10255, 15376), (11720, 13454)]