1683920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:148

約数の個数: 80

約数和(自身を含む): 4666368

約数和(自身を除く): 2982448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 97, 112, 124, 140, 155, 194, 217, 248, 280, 310, 388, 434, 485, 496, 560, 620, 679, 776, 868, 970, 1085, 1240, 1358, 1552, 1736, 1940, 2170, 2480, 2716, 3007, 3395, 3472, 3880, 4340, 5432, 6014, 6790, 7760, 8680, 10864, 12028, 13580, 15035, 17360, 21049, 24056, 27160, 30070, 42098, 48112, 54320, 60140, 84196, 105245, 120280, 168392, 210490, 240560, 336784, 420980, 841960, 1683920]

約数ペア:

[(1, 1683920), (2, 841960), (4, 420980), (5, 336784), (7, 240560), (8, 210490), (10, 168392), (14, 120280), (16, 105245), (20, 84196), (28, 60140), (31, 54320), (35, 48112), (40, 42098), (56, 30070), (62, 27160), (70, 24056), (80, 21049), (97, 17360), (112, 15035), (124, 13580), (140, 12028), (155, 10864), (194, 8680), (217, 7760), (248, 6790), (280, 6014), (310, 5432), (388, 4340), (434, 3880), (485, 3472), (496, 3395), (560, 3007), (620, 2716), (679, 2480), (776, 2170), (868, 1940), (970, 1736), (1085, 1552), (1240, 1358)]