281644480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:966

約数の個数: 112

約数和(自身を含む): 732251520

約数和(自身を除く): 450607040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 130, 158, 160, 208, 260, 316, 320, 395, 416, 520, 632, 790, 832, 857, 1027, 1040, 1264, 1580, 1714, 2054, 2080, 2528, 3160, 3428, 4108, 4160, 4285, 5056, 5135, 6320, 6856, 8216, 8570, 10270, 11141, 12640, 13712, 16432, 17140, 20540, 22282, 25280, 27424, 32864, 34280, 41080, 44564, 54848, 55705, 65728, 67703, 68560, 82160, 89128, 111410, 135406, 137120, 164320, 178256, 222820, 270812, 274240, 328640, 338515, 356512, 445640, 541624, 677030, 713024, 880139, 891280, 1083248, 1354060, 1760278, 1782560, 2166496, 2708120, 3520556, 3565120, 4332992, 4400695, 5416240, 7041112, 8801390, 10832480, 14082224, 17602780, 21664960, 28164448, 35205560, 56328896, 70411120, 140822240, 281644480]

約数ペア:

[(1, 281644480), (2, 140822240), (4, 70411120), (5, 56328896), (8, 35205560), (10, 28164448), (13, 21664960), (16, 17602780), (20, 14082224), (26, 10832480), (32, 8801390), (40, 7041112), (52, 5416240), (64, 4400695), (65, 4332992), (79, 3565120), (80, 3520556), (104, 2708120), (130, 2166496), (158, 1782560), (160, 1760278), (208, 1354060), (260, 1083248), (316, 891280), (320, 880139), (395, 713024), (416, 677030), (520, 541624), (632, 445640), (790, 356512), (832, 338515), (857, 328640), (1027, 274240), (1040, 270812), (1264, 222820), (1580, 178256), (1714, 164320), (2054, 137120), (2080, 135406), (2528, 111410), (3160, 89128), (3428, 82160), (4108, 68560), (4160, 67703), (4285, 65728), (5056, 55705), (5135, 54848), (6320, 44564), (6856, 41080), (8216, 34280), (8570, 32864), (10270, 27424), (11141, 25280), (12640, 22282), (13712, 20540), (16432, 17140)]