28844460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 92619072

約数和(自身を除く): 63774612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 61, 71, 74, 90, 111, 122, 142, 148, 180, 183, 185, 213, 222, 244, 284, 305, 333, 355, 366, 370, 426, 444, 549, 555, 610, 639, 666, 710, 732, 740, 852, 915, 1065, 1098, 1110, 1220, 1278, 1332, 1420, 1665, 1830, 2130, 2196, 2220, 2257, 2556, 2627, 2745, 3195, 3330, 3660, 4260, 4331, 4514, 5254, 5490, 6390, 6660, 6771, 7881, 8662, 9028, 10508, 10980, 11285, 12780, 12993, 13135, 13542, 15762, 17324, 20313, 21655, 22570, 23643, 25986, 26270, 27084, 31524, 33855, 38979, 39405, 40626, 43310, 45140, 47286, 51972, 52540, 64965, 67710, 77958, 78810, 81252, 86620, 94572, 101565, 118215, 129930, 135420, 155916, 157620, 160247, 194895, 203130, 236430, 259860, 320494, 389790, 406260, 472860, 480741, 640988, 779580, 801235, 961482, 1442223, 1602470, 1922964, 2403705, 2884446, 3204940, 4807410, 5768892, 7211115, 9614820, 14422230, 28844460]

約数ペア:

[(1, 28844460), (2, 14422230), (3, 9614820), (4, 7211115), (5, 5768892), (6, 4807410), (9, 3204940), (10, 2884446), (12, 2403705), (15, 1922964), (18, 1602470), (20, 1442223), (30, 961482), (36, 801235), (37, 779580), (45, 640988), (60, 480741), (61, 472860), (71, 406260), (74, 389790), (90, 320494), (111, 259860), (122, 236430), (142, 203130), (148, 194895), (180, 160247), (183, 157620), (185, 155916), (213, 135420), (222, 129930), (244, 118215), (284, 101565), (305, 94572), (333, 86620), (355, 81252), (366, 78810), (370, 77958), (426, 67710), (444, 64965), (549, 52540), (555, 51972), (610, 47286), (639, 45140), (666, 43310), (710, 40626), (732, 39405), (740, 38979), (852, 33855), (915, 31524), (1065, 27084), (1098, 26270), (1110, 25986), (1220, 23643), (1278, 22570), (1332, 21655), (1420, 20313), (1665, 17324), (1830, 15762), (2130, 13542), (2196, 13135), (2220, 12993), (2257, 12780), (2556, 11285), (2627, 10980), (2745, 10508), (3195, 9028), (3330, 8662), (3660, 7881), (4260, 6771), (4331, 6660), (4514, 6390), (5254, 5490)]