51028920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1277}}^1$

素因数の和:1334

約数の個数: 128

約数和(自身を含む): 174830400

約数和(自身を除く): 123801480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 444, 540, 555, 666, 740, 888, 999, 1080, 1110, 1277, 1332, 1480, 1665, 1998, 2220, 2554, 2664, 3330, 3831, 3996, 4440, 4995, 5108, 6385, 6660, 7662, 7992, 9990, 10216, 11493, 12770, 13320, 15324, 19155, 19980, 22986, 25540, 30648, 34479, 38310, 39960, 45972, 47249, 51080, 57465, 68958, 76620, 91944, 94498, 114930, 137916, 141747, 153240, 172395, 188996, 229860, 236245, 275832, 283494, 344790, 377992, 425241, 459720, 472490, 566988, 689580, 708735, 850482, 944980, 1133976, 1275723, 1379160, 1417470, 1700964, 1889960, 2126205, 2551446, 2834940, 3401928, 4252410, 5102892, 5669880, 6378615, 8504820, 10205784, 12757230, 17009640, 25514460, 51028920]

約数ペア:

[(1, 51028920), (2, 25514460), (3, 17009640), (4, 12757230), (5, 10205784), (6, 8504820), (8, 6378615), (9, 5669880), (10, 5102892), (12, 4252410), (15, 3401928), (18, 2834940), (20, 2551446), (24, 2126205), (27, 1889960), (30, 1700964), (36, 1417470), (37, 1379160), (40, 1275723), (45, 1133976), (54, 944980), (60, 850482), (72, 708735), (74, 689580), (90, 566988), (108, 472490), (111, 459720), (120, 425241), (135, 377992), (148, 344790), (180, 283494), (185, 275832), (216, 236245), (222, 229860), (270, 188996), (296, 172395), (333, 153240), (360, 141747), (370, 137916), (444, 114930), (540, 94498), (555, 91944), (666, 76620), (740, 68958), (888, 57465), (999, 51080), (1080, 47249), (1110, 45972), (1277, 39960), (1332, 38310), (1480, 34479), (1665, 30648), (1998, 25540), (2220, 22986), (2554, 19980), (2664, 19155), (3330, 15324), (3831, 13320), (3996, 12770), (4440, 11493), (4995, 10216), (5108, 9990), (6385, 7992), (6660, 7662)]