215131320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:606

約数の個数: 192

約数和(自身を含む): 742659840

約数和(自身を除く): 527528520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 37, 40, 45, 60, 62, 72, 74, 90, 93, 111, 120, 124, 148, 155, 180, 185, 186, 222, 248, 279, 296, 310, 333, 360, 370, 372, 444, 465, 521, 555, 558, 620, 666, 740, 744, 888, 930, 1042, 1110, 1116, 1147, 1240, 1332, 1395, 1480, 1563, 1665, 1860, 2084, 2220, 2232, 2294, 2605, 2664, 2790, 3126, 3330, 3441, 3720, 4168, 4440, 4588, 4689, 5210, 5580, 5735, 6252, 6660, 6882, 7815, 9176, 9378, 10323, 10420, 11160, 11470, 12504, 13320, 13764, 15630, 16151, 17205, 18756, 19277, 20646, 20840, 22940, 23445, 27528, 31260, 32302, 34410, 37512, 38554, 41292, 45880, 46890, 48453, 51615, 57831, 62520, 64604, 68820, 77108, 80755, 82584, 93780, 96385, 96906, 103230, 115662, 129208, 137640, 145359, 154216, 161510, 173493, 187560, 192770, 193812, 206460, 231324, 242265, 289155, 290718, 323020, 346986, 385540, 387624, 412920, 462648, 484530, 578310, 581436, 597587, 646040, 693972, 726795, 771080, 867465, 969060, 1156620, 1162872, 1195174, 1387944, 1453590, 1734930, 1792761, 1938120, 2313240, 2390348, 2907180, 2987935, 3469860, 3585522, 4780696, 5378283, 5814360, 5975870, 6939720, 7171044, 8963805, 10756566, 11951740, 14342088, 17927610, 21513132, 23903480, 26891415, 35855220, 43026264, 53782830, 71710440, 107565660, 215131320]

約数ペア:

[(1, 215131320), (2, 107565660), (3, 71710440), (4, 53782830), (5, 43026264), (6, 35855220), (8, 26891415), (9, 23903480), (10, 21513132), (12, 17927610), (15, 14342088), (18, 11951740), (20, 10756566), (24, 8963805), (30, 7171044), (31, 6939720), (36, 5975870), (37, 5814360), (40, 5378283), (45, 4780696), (60, 3585522), (62, 3469860), (72, 2987935), (74, 2907180), (90, 2390348), (93, 2313240), (111, 1938120), (120, 1792761), (124, 1734930), (148, 1453590), (155, 1387944), (180, 1195174), (185, 1162872), (186, 1156620), (222, 969060), (248, 867465), (279, 771080), (296, 726795), (310, 693972), (333, 646040), (360, 597587), (370, 581436), (372, 578310), (444, 484530), (465, 462648), (521, 412920), (555, 387624), (558, 385540), (620, 346986), (666, 323020), (740, 290718), (744, 289155), (888, 242265), (930, 231324), (1042, 206460), (1110, 193812), (1116, 192770), (1147, 187560), (1240, 173493), (1332, 161510), (1395, 154216), (1480, 145359), (1563, 137640), (1665, 129208), (1860, 115662), (2084, 103230), (2220, 96906), (2232, 96385), (2294, 93780), (2605, 82584), (2664, 80755), (2790, 77108), (3126, 68820), (3330, 64604), (3441, 62520), (3720, 57831), (4168, 51615), (4440, 48453), (4588, 46890), (4689, 45880), (5210, 41292), (5580, 38554), (5735, 37512), (6252, 34410), (6660, 32302), (6882, 31260), (7815, 27528), (9176, 23445), (9378, 22940), (10323, 20840), (10420, 20646), (11160, 19277), (11470, 18756), (12504, 17205), (13320, 16151), (13764, 15630)]