16981747920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{20563}}^1$

素因数の和:20650

約数の個数: 240

約数和(自身を含む): 60464082432

約数和(自身を除く): 43482334512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 37, 40, 45, 48, 60, 62, 72, 74, 80, 90, 93, 111, 120, 124, 144, 148, 155, 180, 185, 186, 222, 240, 248, 279, 296, 310, 333, 360, 370, 372, 444, 465, 496, 555, 558, 592, 620, 666, 720, 740, 744, 888, 930, 1110, 1116, 1147, 1240, 1332, 1395, 1480, 1488, 1665, 1776, 1860, 2220, 2232, 2294, 2480, 2664, 2790, 2960, 3330, 3441, 3720, 4440, 4464, 4588, 5328, 5580, 5735, 6660, 6882, 7440, 8880, 9176, 10323, 11160, 11470, 13320, 13764, 17205, 18352, 20563, 20646, 22320, 22940, 26640, 27528, 34410, 41126, 41292, 45880, 51615, 55056, 61689, 68820, 82252, 82584, 91760, 102815, 103230, 123378, 137640, 164504, 165168, 185067, 205630, 206460, 246756, 275280, 308445, 329008, 370134, 411260, 412920, 493512, 616890, 637453, 740268, 760831, 822520, 825840, 925335, 987024, 1233780, 1274906, 1480536, 1521662, 1645040, 1850670, 1912359, 2282493, 2467560, 2549812, 2961072, 3043324, 3187265, 3701340, 3804155, 3824718, 4564986, 4935120, 5099624, 5737077, 6086648, 6374530, 6847479, 7402680, 7608310, 7649436, 9129972, 9561795, 10199248, 11412465, 11474154, 12173296, 12749060, 13694958, 14805360, 15216620, 15298872, 18259944, 19123590, 22824930, 22948308, 23585761, 25498120, 27389916, 28685385, 30433240, 30597744, 34237395, 36519888, 38247180, 45649860, 45896616, 47171522, 50996240, 54779832, 57370770, 60866480, 68474790, 70757283, 76494360, 91299720, 91793232, 94343044, 109559664, 114741540, 117928805, 136949580, 141514566, 152988720, 182599440, 188686088, 212271849, 229483080, 235857610, 273899160, 283029132, 353786415, 377372176, 424543698, 458966160, 471715220, 547798320, 566058264, 707572830, 849087396, 943430440, 1061359245, 1132116528, 1415145660, 1698174792, 1886860880, 2122718490, 2830291320, 3396349584, 4245436980, 5660582640, 8490873960, 16981747920]

約数ペア:

[(1, 16981747920), (2, 8490873960), (3, 5660582640), (4, 4245436980), (5, 3396349584), (6, 2830291320), (8, 2122718490), (9, 1886860880), (10, 1698174792), (12, 1415145660), (15, 1132116528), (16, 1061359245), (18, 943430440), (20, 849087396), (24, 707572830), (30, 566058264), (31, 547798320), (36, 471715220), (37, 458966160), (40, 424543698), (45, 377372176), (48, 353786415), (60, 283029132), (62, 273899160), (72, 235857610), (74, 229483080), (80, 212271849), (90, 188686088), (93, 182599440), (111, 152988720), (120, 141514566), (124, 136949580), (144, 117928805), (148, 114741540), (155, 109559664), (180, 94343044), (185, 91793232), (186, 91299720), (222, 76494360), (240, 70757283), (248, 68474790), (279, 60866480), (296, 57370770), (310, 54779832), (333, 50996240), (360, 47171522), (370, 45896616), (372, 45649860), (444, 38247180), (465, 36519888), (496, 34237395), (555, 30597744), (558, 30433240), (592, 28685385), (620, 27389916), (666, 25498120), (720, 23585761), (740, 22948308), (744, 22824930), (888, 19123590), (930, 18259944), (1110, 15298872), (1116, 15216620), (1147, 14805360), (1240, 13694958), (1332, 12749060), (1395, 12173296), (1480, 11474154), (1488, 11412465), (1665, 10199248), (1776, 9561795), (1860, 9129972), (2220, 7649436), (2232, 7608310), (2294, 7402680), (2480, 6847479), (2664, 6374530), (2790, 6086648), (2960, 5737077), (3330, 5099624), (3441, 4935120), (3720, 4564986), (4440, 3824718), (4464, 3804155), (4588, 3701340), (5328, 3187265), (5580, 3043324), (5735, 2961072), (6660, 2549812), (6882, 2467560), (7440, 2282493), (8880, 1912359), (9176, 1850670), (10323, 1645040), (11160, 1521662), (11470, 1480536), (13320, 1274906), (13764, 1233780), (17205, 987024), (18352, 925335), (20563, 825840), (20646, 822520), (22320, 760831), (22940, 740268), (26640, 637453), (27528, 616890), (34410, 493512), (41126, 412920), (41292, 411260), (45880, 370134), (51615, 329008), (55056, 308445), (61689, 275280), (68820, 246756), (82252, 206460), (82584, 205630), (91760, 185067), (102815, 165168), (103230, 164504), (123378, 137640)]