155215760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8941}}^1$

素因数の和:8992

約数の個数: 80

約数和(自身を含む): 425782272

約数和(自身を除く): 270566512

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, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 8941, 17360, 17882, 35764, 44705, 62587, 71528, 89410, 125174, 143056, 178820, 250348, 277171, 312935, 357640, 500696, 554342, 625870, 715280, 1001392, 1108684, 1251740, 1385855, 1940197, 2217368, 2503480, 2771710, 3880394, 4434736, 5006960, 5543420, 7760788, 9700985, 11086840, 15521576, 19401970, 22173680, 31043152, 38803940, 77607880, 155215760]

約数ペア:

[(1, 155215760), (2, 77607880), (4, 38803940), (5, 31043152), (7, 22173680), (8, 19401970), (10, 15521576), (14, 11086840), (16, 9700985), (20, 7760788), (28, 5543420), (31, 5006960), (35, 4434736), (40, 3880394), (56, 2771710), (62, 2503480), (70, 2217368), (80, 1940197), (112, 1385855), (124, 1251740), (140, 1108684), (155, 1001392), (217, 715280), (248, 625870), (280, 554342), (310, 500696), (434, 357640), (496, 312935), (560, 277171), (620, 250348), (868, 178820), (1085, 143056), (1240, 125174), (1736, 89410), (2170, 71528), (2480, 62587), (3472, 44705), (4340, 35764), (8680, 17882), (8941, 17360)]