18289280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2$

素因数の和:118

約数の個数: 96

約数和(自身を含む): 47451420

約数和(自身を除く): 29162140

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 80, 82, 85, 128, 136, 160, 164, 170, 205, 272, 320, 328, 340, 410, 544, 640, 656, 680, 697, 820, 1088, 1312, 1360, 1394, 1640, 1681, 2176, 2624, 2720, 2788, 3280, 3362, 3485, 5248, 5440, 5576, 6560, 6724, 6970, 8405, 10880, 11152, 13120, 13448, 13940, 16810, 22304, 26240, 26896, 27880, 28577, 33620, 44608, 53792, 55760, 57154, 67240, 89216, 107584, 111520, 114308, 134480, 142885, 215168, 223040, 228616, 268960, 285770, 446080, 457232, 537920, 571540, 914464, 1075840, 1143080, 1828928, 2286160, 3657856, 4572320, 9144640, 18289280]

約数ペア:

[(1, 18289280), (2, 9144640), (4, 4572320), (5, 3657856), (8, 2286160), (10, 1828928), (16, 1143080), (17, 1075840), (20, 914464), (32, 571540), (34, 537920), (40, 457232), (41, 446080), (64, 285770), (68, 268960), (80, 228616), (82, 223040), (85, 215168), (128, 142885), (136, 134480), (160, 114308), (164, 111520), (170, 107584), (205, 89216), (272, 67240), (320, 57154), (328, 55760), (340, 53792), (410, 44608), (544, 33620), (640, 28577), (656, 27880), (680, 26896), (697, 26240), (820, 22304), (1088, 16810), (1312, 13940), (1360, 13448), (1394, 13120), (1640, 11152), (1681, 10880), (2176, 8405), (2624, 6970), (2720, 6724), (2788, 6560), (3280, 5576), (3362, 5440), (3485, 5248)]