15939040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 41489280

約数和(自身を除く): 25550240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 79, 80, 97, 104, 130, 158, 160, 194, 208, 260, 316, 388, 395, 416, 485, 520, 632, 776, 790, 970, 1027, 1040, 1261, 1264, 1552, 1580, 1940, 2054, 2080, 2522, 2528, 3104, 3160, 3880, 4108, 5044, 5135, 6305, 6320, 7663, 7760, 8216, 10088, 10270, 12610, 12640, 15326, 15520, 16432, 20176, 20540, 25220, 30652, 32864, 38315, 40352, 41080, 50440, 61304, 76630, 82160, 99619, 100880, 122608, 153260, 164320, 199238, 201760, 245216, 306520, 398476, 498095, 613040, 796952, 996190, 1226080, 1593904, 1992380, 3187808, 3984760, 7969520, 15939040]

約数ペア:

[(1, 15939040), (2, 7969520), (4, 3984760), (5, 3187808), (8, 1992380), (10, 1593904), (13, 1226080), (16, 996190), (20, 796952), (26, 613040), (32, 498095), (40, 398476), (52, 306520), (65, 245216), (79, 201760), (80, 199238), (97, 164320), (104, 153260), (130, 122608), (158, 100880), (160, 99619), (194, 82160), (208, 76630), (260, 61304), (316, 50440), (388, 41080), (395, 40352), (416, 38315), (485, 32864), (520, 30652), (632, 25220), (776, 20540), (790, 20176), (970, 16432), (1027, 15520), (1040, 15326), (1261, 12640), (1264, 12610), (1552, 10270), (1580, 10088), (1940, 8216), (2054, 7760), (2080, 7663), (2522, 6320), (2528, 6305), (3104, 5135), (3160, 5044), (3880, 4108)]