28978620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 93647232

約数和(自身を除く): 64668612

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 33, 44, 46, 55, 60, 66, 69, 83, 92, 110, 115, 132, 138, 165, 166, 220, 230, 249, 253, 276, 330, 332, 345, 415, 460, 498, 506, 529, 660, 690, 759, 830, 913, 996, 1012, 1058, 1245, 1265, 1380, 1518, 1587, 1660, 1826, 1909, 2116, 2490, 2530, 2645, 2739, 3036, 3174, 3652, 3795, 3818, 4565, 4980, 5060, 5290, 5478, 5727, 5819, 6348, 7590, 7636, 7935, 9130, 9545, 10580, 10956, 11454, 11638, 13695, 15180, 15870, 17457, 18260, 19090, 20999, 22908, 23276, 27390, 28635, 29095, 31740, 34914, 38180, 41998, 43907, 54780, 57270, 58190, 62997, 69828, 83996, 87285, 87814, 104995, 114540, 116380, 125994, 131721, 174570, 175628, 209990, 219535, 251988, 263442, 314985, 349140, 419980, 439070, 482977, 526884, 629970, 658605, 878140, 965954, 1259940, 1317210, 1448931, 1931908, 2414885, 2634420, 2897862, 4829770, 5795724, 7244655, 9659540, 14489310, 28978620]

約数ペア:

[(1, 28978620), (2, 14489310), (3, 9659540), (4, 7244655), (5, 5795724), (6, 4829770), (10, 2897862), (11, 2634420), (12, 2414885), (15, 1931908), (20, 1448931), (22, 1317210), (23, 1259940), (30, 965954), (33, 878140), (44, 658605), (46, 629970), (55, 526884), (60, 482977), (66, 439070), (69, 419980), (83, 349140), (92, 314985), (110, 263442), (115, 251988), (132, 219535), (138, 209990), (165, 175628), (166, 174570), (220, 131721), (230, 125994), (249, 116380), (253, 114540), (276, 104995), (330, 87814), (332, 87285), (345, 83996), (415, 69828), (460, 62997), (498, 58190), (506, 57270), (529, 54780), (660, 43907), (690, 41998), (759, 38180), (830, 34914), (913, 31740), (996, 29095), (1012, 28635), (1058, 27390), (1245, 23276), (1265, 22908), (1380, 20999), (1518, 19090), (1587, 18260), (1660, 17457), (1826, 15870), (1909, 15180), (2116, 13695), (2490, 11638), (2530, 11454), (2645, 10956), (2739, 10580), (3036, 9545), (3174, 9130), (3652, 7935), (3795, 7636), (3818, 7590), (4565, 6348), (4980, 5819), (5060, 5727), (5290, 5478)]