161531280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 320

約数和(自身を含む): 607461120

約数和(自身を除く): 445929840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 53, 54, 60, 68, 72, 80, 83, 85, 90, 102, 106, 108, 120, 135, 136, 144, 153, 159, 166, 170, 180, 204, 212, 216, 240, 249, 255, 265, 270, 272, 306, 318, 332, 340, 360, 408, 415, 424, 432, 459, 477, 498, 510, 530, 540, 612, 636, 664, 680, 720, 747, 765, 795, 816, 830, 848, 901, 918, 954, 996, 1020, 1060, 1080, 1224, 1245, 1272, 1328, 1360, 1411, 1431, 1494, 1530, 1590, 1660, 1802, 1836, 1908, 1992, 2040, 2120, 2160, 2241, 2295, 2385, 2448, 2490, 2544, 2703, 2822, 2862, 2988, 3060, 3180, 3320, 3604, 3672, 3735, 3816, 3984, 4080, 4233, 4240, 4399, 4482, 4505, 4590, 4770, 4980, 5406, 5644, 5724, 5976, 6120, 6360, 6640, 7055, 7155, 7208, 7344, 7470, 7632, 8109, 8466, 8798, 8964, 9010, 9180, 9540, 9960, 10812, 11205, 11288, 11448, 11952, 12240, 12699, 12720, 13197, 13515, 14110, 14310, 14416, 14940, 16218, 16932, 17596, 17928, 18020, 18360, 19080, 19920, 21165, 21624, 21995, 22410, 22576, 22896, 24327, 25398, 26394, 27030, 28220, 28620, 29880, 32436, 33864, 35192, 35856, 36040, 36720, 38097, 38160, 39591, 40545, 42330, 43248, 43990, 44820, 48654, 50796, 52788, 54060, 56440, 57240, 59760, 63495, 64872, 65985, 67728, 70384, 72080, 74783, 76194, 79182, 81090, 84660, 87980, 89640, 97308, 101592, 105576, 108120, 112880, 114480, 118773, 121635, 126990, 129744, 131970, 149566, 152388, 158364, 162180, 169320, 175960, 179280, 190485, 194616, 197955, 203184, 211152, 216240, 224349, 237546, 243270, 253980, 263940, 299132, 304776, 316728, 324360, 338640, 351920, 373915, 380970, 389232, 395910, 448698, 475092, 486540, 507960, 527880, 593865, 598264, 609552, 633456, 648720, 673047, 747830, 761940, 791820, 897396, 950184, 973080, 1015920, 1055760, 1121745, 1187730, 1196528, 1346094, 1495660, 1523880, 1583640, 1794792, 1900368, 1946160, 2019141, 2243490, 2375460, 2692188, 2991320, 3047760, 3167280, 3365235, 3589584, 4038282, 4486980, 4750920, 5384376, 5982640, 6730470, 8076564, 8973960, 9501840, 10095705, 10768752, 13460940, 16153128, 17947920, 20191410, 26921880, 32306256, 40382820, 53843760, 80765640, 161531280]

約数ペア:

[(1, 161531280), (2, 80765640), (3, 53843760), (4, 40382820), (5, 32306256), (6, 26921880), (8, 20191410), (9, 17947920), (10, 16153128), (12, 13460940), (15, 10768752), (16, 10095705), (17, 9501840), (18, 8973960), (20, 8076564), (24, 6730470), (27, 5982640), (30, 5384376), (34, 4750920), (36, 4486980), (40, 4038282), (45, 3589584), (48, 3365235), (51, 3167280), (53, 3047760), (54, 2991320), (60, 2692188), (68, 2375460), (72, 2243490), (80, 2019141), (83, 1946160), (85, 1900368), (90, 1794792), (102, 1583640), (106, 1523880), (108, 1495660), (120, 1346094), (135, 1196528), (136, 1187730), (144, 1121745), (153, 1055760), (159, 1015920), (166, 973080), (170, 950184), (180, 897396), (204, 791820), (212, 761940), (216, 747830), (240, 673047), (249, 648720), (255, 633456), (265, 609552), (270, 598264), (272, 593865), (306, 527880), (318, 507960), (332, 486540), (340, 475092), (360, 448698), (408, 395910), (415, 389232), (424, 380970), (432, 373915), (459, 351920), (477, 338640), (498, 324360), (510, 316728), (530, 304776), (540, 299132), (612, 263940), (636, 253980), (664, 243270), (680, 237546), (720, 224349), (747, 216240), (765, 211152), (795, 203184), (816, 197955), (830, 194616), (848, 190485), (901, 179280), (918, 175960), (954, 169320), (996, 162180), (1020, 158364), (1060, 152388), (1080, 149566), (1224, 131970), (1245, 129744), (1272, 126990), (1328, 121635), (1360, 118773), (1411, 114480), (1431, 112880), (1494, 108120), (1530, 105576), (1590, 101592), (1660, 97308), (1802, 89640), (1836, 87980), (1908, 84660), (1992, 81090), (2040, 79182), (2120, 76194), (2160, 74783), (2241, 72080), (2295, 70384), (2385, 67728), (2448, 65985), (2490, 64872), (2544, 63495), (2703, 59760), (2822, 57240), (2862, 56440), (2988, 54060), (3060, 52788), (3180, 50796), (3320, 48654), (3604, 44820), (3672, 43990), (3735, 43248), (3816, 42330), (3984, 40545), (4080, 39591), (4233, 38160), (4240, 38097), (4399, 36720), (4482, 36040), (4505, 35856), (4590, 35192), (4770, 33864), (4980, 32436), (5406, 29880), (5644, 28620), (5724, 28220), (5976, 27030), (6120, 26394), (6360, 25398), (6640, 24327), (7055, 22896), (7155, 22576), (7208, 22410), (7344, 21995), (7470, 21624), (7632, 21165), (8109, 19920), (8466, 19080), (8798, 18360), (8964, 18020), (9010, 17928), (9180, 17596), (9540, 16932), (9960, 16218), (10812, 14940), (11205, 14416), (11288, 14310), (11448, 14110), (11952, 13515), (12240, 13197), (12699, 12720)]