72007920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 320

約数和(自身を含む): 274803840

約数和(自身を除く): 202795920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 37, 40, 45, 48, 51, 53, 54, 60, 68, 72, 74, 80, 85, 90, 102, 106, 108, 111, 120, 135, 136, 144, 148, 153, 159, 170, 180, 185, 204, 212, 216, 222, 240, 255, 265, 270, 272, 296, 306, 318, 333, 340, 360, 370, 408, 424, 432, 444, 459, 477, 510, 530, 540, 555, 592, 612, 629, 636, 666, 680, 720, 740, 765, 795, 816, 848, 888, 901, 918, 954, 999, 1020, 1060, 1080, 1110, 1224, 1258, 1272, 1332, 1360, 1431, 1480, 1530, 1590, 1665, 1776, 1802, 1836, 1887, 1908, 1961, 1998, 2040, 2120, 2160, 2220, 2295, 2385, 2448, 2516, 2544, 2664, 2703, 2862, 2960, 3060, 3145, 3180, 3330, 3604, 3672, 3774, 3816, 3922, 3996, 4080, 4240, 4440, 4505, 4590, 4770, 4995, 5032, 5328, 5406, 5661, 5724, 5883, 6120, 6290, 6360, 6660, 7155, 7208, 7344, 7548, 7632, 7844, 7992, 8109, 8880, 9010, 9180, 9435, 9540, 9805, 9990, 10064, 10812, 11322, 11448, 11766, 12240, 12580, 12720, 13320, 13515, 14310, 14416, 15096, 15688, 15984, 16218, 16983, 17649, 18020, 18360, 18870, 19080, 19610, 19980, 21624, 22644, 22896, 23532, 24327, 25160, 26640, 27030, 28305, 28620, 29415, 30192, 31376, 32436, 33337, 33966, 35298, 36040, 36720, 37740, 38160, 39220, 39960, 40545, 43248, 45288, 47064, 48654, 50320, 52947, 54060, 56610, 57240, 58830, 64872, 66674, 67932, 70596, 72080, 75480, 78440, 79920, 81090, 84915, 88245, 90576, 94128, 97308, 100011, 105894, 108120, 113220, 114480, 117660, 121635, 129744, 133348, 135864, 141192, 150960, 156880, 162180, 166685, 169830, 176490, 194616, 200022, 211788, 216240, 226440, 235320, 243270, 264735, 266696, 271728, 282384, 300033, 324360, 333370, 339660, 352980, 389232, 400044, 423576, 452880, 470640, 486540, 500055, 529470, 533392, 600066, 648720, 666740, 679320, 705960, 800088, 847152, 900099, 973080, 1000110, 1058940, 1200132, 1333480, 1358640, 1411920, 1500165, 1600176, 1800198, 1946160, 2000220, 2117880, 2400264, 2666960, 3000330, 3600396, 4000440, 4235760, 4500495, 4800528, 6000660, 7200792, 8000880, 9000990, 12001320, 14401584, 18001980, 24002640, 36003960, 72007920]

約数ペア:

[(1, 72007920), (2, 36003960), (3, 24002640), (4, 18001980), (5, 14401584), (6, 12001320), (8, 9000990), (9, 8000880), (10, 7200792), (12, 6000660), (15, 4800528), (16, 4500495), (17, 4235760), (18, 4000440), (20, 3600396), (24, 3000330), (27, 2666960), (30, 2400264), (34, 2117880), (36, 2000220), (37, 1946160), (40, 1800198), (45, 1600176), (48, 1500165), (51, 1411920), (53, 1358640), (54, 1333480), (60, 1200132), (68, 1058940), (72, 1000110), (74, 973080), (80, 900099), (85, 847152), (90, 800088), (102, 705960), (106, 679320), (108, 666740), (111, 648720), (120, 600066), (135, 533392), (136, 529470), (144, 500055), (148, 486540), (153, 470640), (159, 452880), (170, 423576), (180, 400044), (185, 389232), (204, 352980), (212, 339660), (216, 333370), (222, 324360), (240, 300033), (255, 282384), (265, 271728), (270, 266696), (272, 264735), (296, 243270), (306, 235320), (318, 226440), (333, 216240), (340, 211788), (360, 200022), (370, 194616), (408, 176490), (424, 169830), (432, 166685), (444, 162180), (459, 156880), (477, 150960), (510, 141192), (530, 135864), (540, 133348), (555, 129744), (592, 121635), (612, 117660), (629, 114480), (636, 113220), (666, 108120), (680, 105894), (720, 100011), (740, 97308), (765, 94128), (795, 90576), (816, 88245), (848, 84915), (888, 81090), (901, 79920), (918, 78440), (954, 75480), (999, 72080), (1020, 70596), (1060, 67932), (1080, 66674), (1110, 64872), (1224, 58830), (1258, 57240), (1272, 56610), (1332, 54060), (1360, 52947), (1431, 50320), (1480, 48654), (1530, 47064), (1590, 45288), (1665, 43248), (1776, 40545), (1802, 39960), (1836, 39220), (1887, 38160), (1908, 37740), (1961, 36720), (1998, 36040), (2040, 35298), (2120, 33966), (2160, 33337), (2220, 32436), (2295, 31376), (2385, 30192), (2448, 29415), (2516, 28620), (2544, 28305), (2664, 27030), (2703, 26640), (2862, 25160), (2960, 24327), (3060, 23532), (3145, 22896), (3180, 22644), (3330, 21624), (3604, 19980), (3672, 19610), (3774, 19080), (3816, 18870), (3922, 18360), (3996, 18020), (4080, 17649), (4240, 16983), (4440, 16218), (4505, 15984), (4590, 15688), (4770, 15096), (4995, 14416), (5032, 14310), (5328, 13515), (5406, 13320), (5661, 12720), (5724, 12580), (5883, 12240), (6120, 11766), (6290, 11448), (6360, 11322), (6660, 10812), (7155, 10064), (7208, 9990), (7344, 9805), (7548, 9540), (7632, 9435), (7844, 9180), (7992, 9010), (8109, 8880)]