15589840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 43637832

約数和(自身を除く): 28047992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 80, 82, 97, 98, 112, 140, 164, 194, 196, 205, 245, 280, 287, 328, 388, 392, 410, 485, 490, 560, 574, 656, 679, 776, 784, 820, 970, 980, 1148, 1358, 1435, 1552, 1640, 1940, 1960, 2009, 2296, 2716, 2870, 3280, 3395, 3880, 3920, 3977, 4018, 4592, 4753, 5432, 5740, 6790, 7760, 7954, 8036, 9506, 10045, 10864, 11480, 13580, 15908, 16072, 19012, 19885, 20090, 22960, 23765, 27160, 27839, 31816, 32144, 38024, 39770, 40180, 47530, 54320, 55678, 63632, 76048, 79540, 80360, 95060, 111356, 139195, 159080, 160720, 190120, 194873, 222712, 278390, 318160, 380240, 389746, 445424, 556780, 779492, 974365, 1113560, 1558984, 1948730, 2227120, 3117968, 3897460, 7794920, 15589840]

約数ペア:

[(1, 15589840), (2, 7794920), (4, 3897460), (5, 3117968), (7, 2227120), (8, 1948730), (10, 1558984), (14, 1113560), (16, 974365), (20, 779492), (28, 556780), (35, 445424), (40, 389746), (41, 380240), (49, 318160), (56, 278390), (70, 222712), (80, 194873), (82, 190120), (97, 160720), (98, 159080), (112, 139195), (140, 111356), (164, 95060), (194, 80360), (196, 79540), (205, 76048), (245, 63632), (280, 55678), (287, 54320), (328, 47530), (388, 40180), (392, 39770), (410, 38024), (485, 32144), (490, 31816), (560, 27839), (574, 27160), (656, 23765), (679, 22960), (776, 20090), (784, 19885), (820, 19012), (970, 16072), (980, 15908), (1148, 13580), (1358, 11480), (1435, 10864), (1552, 10045), (1640, 9506), (1940, 8036), (1960, 7954), (2009, 7760), (2296, 6790), (2716, 5740), (2870, 5432), (3280, 4753), (3395, 4592), (3880, 4018), (3920, 3977)]