217944720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:630

約数の個数: 240

約数和(自身を含む): 848195712

約数和(自身を除く): 630250992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 83, 84, 90, 105, 112, 120, 126, 140, 144, 166, 168, 180, 210, 240, 249, 252, 280, 315, 332, 336, 360, 415, 420, 498, 504, 521, 560, 581, 630, 664, 720, 747, 830, 840, 996, 1008, 1042, 1162, 1245, 1260, 1328, 1494, 1563, 1660, 1680, 1743, 1992, 2084, 2324, 2490, 2520, 2605, 2905, 2988, 3126, 3320, 3486, 3647, 3735, 3984, 4168, 4648, 4689, 4980, 5040, 5210, 5229, 5810, 5976, 6252, 6640, 6972, 7294, 7470, 7815, 8336, 8715, 9296, 9378, 9960, 10420, 10458, 10941, 11620, 11952, 12504, 13944, 14588, 14940, 15630, 17430, 18235, 18756, 19920, 20840, 20916, 21882, 23240, 23445, 25008, 26145, 27888, 29176, 29880, 31260, 32823, 34860, 36470, 37512, 41680, 41832, 43243, 43764, 46480, 46890, 52290, 54705, 58352, 59760, 62520, 65646, 69720, 72940, 75024, 83664, 86486, 87528, 93780, 104580, 109410, 125040, 129729, 131292, 139440, 145880, 164115, 172972, 175056, 187560, 209160, 216215, 218820, 259458, 262584, 291760, 302701, 328230, 345944, 375120, 389187, 418320, 432430, 437640, 518916, 525168, 605402, 648645, 656460, 691888, 778374, 864860, 875280, 908103, 1037832, 1210804, 1297290, 1312920, 1513505, 1556748, 1729720, 1816206, 1945935, 2075664, 2421608, 2594580, 2625840, 2724309, 3027010, 3113496, 3459440, 3632412, 3891870, 4540515, 4843216, 5189160, 5448618, 6054020, 6226992, 7264824, 7783740, 9081030, 10378320, 10897236, 12108040, 13621545, 14529648, 15567480, 18162060, 21794472, 24216080, 27243090, 31134960, 36324120, 43588944, 54486180, 72648240, 108972360, 217944720]

約数ペア:

[(1, 217944720), (2, 108972360), (3, 72648240), (4, 54486180), (5, 43588944), (6, 36324120), (7, 31134960), (8, 27243090), (9, 24216080), (10, 21794472), (12, 18162060), (14, 15567480), (15, 14529648), (16, 13621545), (18, 12108040), (20, 10897236), (21, 10378320), (24, 9081030), (28, 7783740), (30, 7264824), (35, 6226992), (36, 6054020), (40, 5448618), (42, 5189160), (45, 4843216), (48, 4540515), (56, 3891870), (60, 3632412), (63, 3459440), (70, 3113496), (72, 3027010), (80, 2724309), (83, 2625840), (84, 2594580), (90, 2421608), (105, 2075664), (112, 1945935), (120, 1816206), (126, 1729720), (140, 1556748), (144, 1513505), (166, 1312920), (168, 1297290), (180, 1210804), (210, 1037832), (240, 908103), (249, 875280), (252, 864860), (280, 778374), (315, 691888), (332, 656460), (336, 648645), (360, 605402), (415, 525168), (420, 518916), (498, 437640), (504, 432430), (521, 418320), (560, 389187), (581, 375120), (630, 345944), (664, 328230), (720, 302701), (747, 291760), (830, 262584), (840, 259458), (996, 218820), (1008, 216215), (1042, 209160), (1162, 187560), (1245, 175056), (1260, 172972), (1328, 164115), (1494, 145880), (1563, 139440), (1660, 131292), (1680, 129729), (1743, 125040), (1992, 109410), (2084, 104580), (2324, 93780), (2490, 87528), (2520, 86486), (2605, 83664), (2905, 75024), (2988, 72940), (3126, 69720), (3320, 65646), (3486, 62520), (3647, 59760), (3735, 58352), (3984, 54705), (4168, 52290), (4648, 46890), (4689, 46480), (4980, 43764), (5040, 43243), (5210, 41832), (5229, 41680), (5810, 37512), (5976, 36470), (6252, 34860), (6640, 32823), (6972, 31260), (7294, 29880), (7470, 29176), (7815, 27888), (8336, 26145), (8715, 25008), (9296, 23445), (9378, 23240), (9960, 21882), (10420, 20916), (10458, 20840), (10941, 19920), (11620, 18756), (11952, 18235), (12504, 17430), (13944, 15630), (14588, 14940)]