15501280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 40007520

約数和(自身を除く): 24506240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 68, 80, 82, 85, 136, 139, 160, 164, 170, 205, 272, 278, 328, 340, 410, 544, 556, 656, 680, 695, 697, 820, 1112, 1312, 1360, 1390, 1394, 1640, 2224, 2363, 2720, 2780, 2788, 3280, 3485, 4448, 4726, 5560, 5576, 5699, 6560, 6970, 9452, 11120, 11152, 11398, 11815, 13940, 18904, 22240, 22304, 22796, 23630, 27880, 28495, 37808, 45592, 47260, 55760, 56990, 75616, 91184, 94520, 96883, 111520, 113980, 182368, 189040, 193766, 227960, 378080, 387532, 455920, 484415, 775064, 911840, 968830, 1550128, 1937660, 3100256, 3875320, 7750640, 15501280]

約数ペア:

[(1, 15501280), (2, 7750640), (4, 3875320), (5, 3100256), (8, 1937660), (10, 1550128), (16, 968830), (17, 911840), (20, 775064), (32, 484415), (34, 455920), (40, 387532), (41, 378080), (68, 227960), (80, 193766), (82, 189040), (85, 182368), (136, 113980), (139, 111520), (160, 96883), (164, 94520), (170, 91184), (205, 75616), (272, 56990), (278, 55760), (328, 47260), (340, 45592), (410, 37808), (544, 28495), (556, 27880), (656, 23630), (680, 22796), (695, 22304), (697, 22240), (820, 18904), (1112, 13940), (1312, 11815), (1360, 11398), (1390, 11152), (1394, 11120), (1640, 9452), (2224, 6970), (2363, 6560), (2720, 5699), (2780, 5576), (2788, 5560), (3280, 4726), (3485, 4448)]