31057040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1789}}^1$

素因数の和:1840

約数の個数: 80

約数和(自身を含む): 85232640

約数和(自身を除く): 54175600

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, 1789, 2170, 2480, 3472, 3578, 4340, 7156, 8680, 8945, 12523, 14312, 17360, 17890, 25046, 28624, 35780, 50092, 55459, 62615, 71560, 100184, 110918, 125230, 143120, 200368, 221836, 250460, 277295, 388213, 443672, 500920, 554590, 776426, 887344, 1001840, 1109180, 1552852, 1941065, 2218360, 3105704, 3882130, 4436720, 6211408, 7764260, 15528520, 31057040]

約数ペア:

[(1, 31057040), (2, 15528520), (4, 7764260), (5, 6211408), (7, 4436720), (8, 3882130), (10, 3105704), (14, 2218360), (16, 1941065), (20, 1552852), (28, 1109180), (31, 1001840), (35, 887344), (40, 776426), (56, 554590), (62, 500920), (70, 443672), (80, 388213), (112, 277295), (124, 250460), (140, 221836), (155, 200368), (217, 143120), (248, 125230), (280, 110918), (310, 100184), (434, 71560), (496, 62615), (560, 55459), (620, 50092), (868, 35780), (1085, 28624), (1240, 25046), (1736, 17890), (1789, 17360), (2170, 14312), (2480, 12523), (3472, 8945), (3578, 8680), (4340, 7156)]