20744996640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{82009}}^1$

素因数の和:82075

約数の個数: 192

約数和(自身を含む): 71423493120

約数和(自身を除く): 50678496480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 96, 102, 120, 124, 136, 155, 160, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 480, 496, 510, 527, 544, 620, 680, 744, 816, 930, 992, 1020, 1054, 1240, 1360, 1488, 1581, 1632, 1860, 2040, 2108, 2480, 2635, 2720, 2976, 3162, 3720, 4080, 4216, 4960, 5270, 6324, 7440, 7905, 8160, 8432, 10540, 12648, 14880, 15810, 16864, 21080, 25296, 31620, 42160, 50592, 63240, 82009, 84320, 126480, 164018, 246027, 252960, 328036, 410045, 492054, 656072, 820090, 984108, 1230135, 1312144, 1394153, 1640180, 1968216, 2460270, 2542279, 2624288, 2788306, 3280360, 3936432, 4182459, 4920540, 5084558, 5576612, 6560720, 6970765, 7626837, 7872864, 8364918, 9841080, 10169116, 11153224, 12711395, 13121440, 13941530, 15253674, 16729836, 19682160, 20338232, 20912295, 22306448, 25422790, 27883060, 30507348, 33459672, 38134185, 39364320, 40676464, 41824590, 43218743, 44612896, 50845580, 55766120, 61014696, 66919344, 76268370, 81352928, 83649180, 86437486, 101691160, 111532240, 122029392, 129656229, 133838688, 152536740, 167298360, 172874972, 203382320, 216093715, 223064480, 244058784, 259312458, 305073480, 334596720, 345749944, 406764640, 432187430, 518624916, 610146960, 648281145, 669193440, 691499888, 864374860, 1037249832, 1220293920, 1296562290, 1382999776, 1728749720, 2074499664, 2593124580, 3457499440, 4148999328, 5186249160, 6914998880, 10372498320, 20744996640]

約数ペア:

[(1, 20744996640), (2, 10372498320), (3, 6914998880), (4, 5186249160), (5, 4148999328), (6, 3457499440), (8, 2593124580), (10, 2074499664), (12, 1728749720), (15, 1382999776), (16, 1296562290), (17, 1220293920), (20, 1037249832), (24, 864374860), (30, 691499888), (31, 669193440), (32, 648281145), (34, 610146960), (40, 518624916), (48, 432187430), (51, 406764640), (60, 345749944), (62, 334596720), (68, 305073480), (80, 259312458), (85, 244058784), (93, 223064480), (96, 216093715), (102, 203382320), (120, 172874972), (124, 167298360), (136, 152536740), (155, 133838688), (160, 129656229), (170, 122029392), (186, 111532240), (204, 101691160), (240, 86437486), (248, 83649180), (255, 81352928), (272, 76268370), (310, 66919344), (340, 61014696), (372, 55766120), (408, 50845580), (465, 44612896), (480, 43218743), (496, 41824590), (510, 40676464), (527, 39364320), (544, 38134185), (620, 33459672), (680, 30507348), (744, 27883060), (816, 25422790), (930, 22306448), (992, 20912295), (1020, 20338232), (1054, 19682160), (1240, 16729836), (1360, 15253674), (1488, 13941530), (1581, 13121440), (1632, 12711395), (1860, 11153224), (2040, 10169116), (2108, 9841080), (2480, 8364918), (2635, 7872864), (2720, 7626837), (2976, 6970765), (3162, 6560720), (3720, 5576612), (4080, 5084558), (4216, 4920540), (4960, 4182459), (5270, 3936432), (6324, 3280360), (7440, 2788306), (7905, 2624288), (8160, 2542279), (8432, 2460270), (10540, 1968216), (12648, 1640180), (14880, 1394153), (15810, 1312144), (16864, 1230135), (21080, 984108), (25296, 820090), (31620, 656072), (42160, 492054), (50592, 410045), (63240, 328036), (82009, 252960), (84320, 246027), (126480, 164018)]