28669140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 95764032

約数和(自身を除く): 67094892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 306, 324, 340, 347, 405, 459, 486, 510, 540, 612, 694, 765, 810, 918, 972, 1020, 1041, 1215, 1377, 1388, 1530, 1620, 1735, 1836, 2082, 2295, 2430, 2754, 3060, 3123, 3470, 4131, 4164, 4590, 4860, 5205, 5508, 5899, 6246, 6885, 6940, 8262, 9180, 9369, 10410, 11798, 12492, 13770, 15615, 16524, 17697, 18738, 20655, 20820, 23596, 27540, 28107, 29495, 31230, 35394, 37476, 41310, 46845, 53091, 56214, 58990, 62460, 70788, 82620, 84321, 88485, 93690, 106182, 112428, 117980, 140535, 159273, 168642, 176970, 187380, 212364, 265455, 281070, 318546, 337284, 353940, 421605, 477819, 530910, 562140, 637092, 796365, 843210, 955638, 1061820, 1433457, 1592730, 1686420, 1911276, 2389095, 2866914, 3185460, 4778190, 5733828, 7167285, 9556380, 14334570, 28669140]

約数ペア:

[(1, 28669140), (2, 14334570), (3, 9556380), (4, 7167285), (5, 5733828), (6, 4778190), (9, 3185460), (10, 2866914), (12, 2389095), (15, 1911276), (17, 1686420), (18, 1592730), (20, 1433457), (27, 1061820), (30, 955638), (34, 843210), (36, 796365), (45, 637092), (51, 562140), (54, 530910), (60, 477819), (68, 421605), (81, 353940), (85, 337284), (90, 318546), (102, 281070), (108, 265455), (135, 212364), (153, 187380), (162, 176970), (170, 168642), (180, 159273), (204, 140535), (243, 117980), (255, 112428), (270, 106182), (306, 93690), (324, 88485), (340, 84321), (347, 82620), (405, 70788), (459, 62460), (486, 58990), (510, 56214), (540, 53091), (612, 46845), (694, 41310), (765, 37476), (810, 35394), (918, 31230), (972, 29495), (1020, 28107), (1041, 27540), (1215, 23596), (1377, 20820), (1388, 20655), (1530, 18738), (1620, 17697), (1735, 16524), (1836, 15615), (2082, 13770), (2295, 12492), (2430, 11798), (2754, 10410), (3060, 9369), (3123, 9180), (3470, 8262), (4131, 6940), (4164, 6885), (4590, 6246), (4860, 5899), (5205, 5508)]