178135920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:420

約数の個数: 240

約数和(自身を含む): 646244352

約数和(自身を除く): 468108432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 31, 36, 40, 45, 46, 48, 60, 62, 69, 72, 80, 90, 92, 93, 115, 120, 124, 138, 144, 155, 180, 184, 186, 207, 230, 240, 248, 276, 279, 310, 345, 347, 360, 368, 372, 414, 460, 465, 496, 552, 558, 620, 690, 694, 713, 720, 744, 828, 920, 930, 1035, 1041, 1104, 1116, 1240, 1380, 1388, 1395, 1426, 1488, 1656, 1735, 1840, 1860, 2070, 2082, 2139, 2232, 2480, 2760, 2776, 2790, 2852, 3123, 3312, 3470, 3565, 3720, 4140, 4164, 4278, 4464, 5205, 5520, 5552, 5580, 5704, 6246, 6417, 6940, 7130, 7440, 7981, 8280, 8328, 8556, 10410, 10695, 10757, 11160, 11408, 12492, 12834, 13880, 14260, 15615, 15962, 16560, 16656, 17112, 20820, 21390, 21514, 22320, 23943, 24984, 25668, 27760, 28520, 31230, 31924, 32085, 32271, 34224, 39905, 41640, 42780, 43028, 47886, 49968, 51336, 53785, 57040, 62460, 63848, 64170, 64542, 71829, 79810, 83280, 85560, 86056, 95772, 96813, 102672, 107570, 119715, 124920, 127696, 128340, 129084, 143658, 159620, 161355, 171120, 172112, 191544, 193626, 215140, 239430, 247411, 249840, 256680, 258168, 287316, 319240, 322710, 359145, 383088, 387252, 430280, 478860, 484065, 494822, 513360, 516336, 574632, 638480, 645420, 718290, 742233, 774504, 860560, 957720, 968130, 989644, 1149264, 1237055, 1290840, 1436580, 1484466, 1549008, 1915440, 1936260, 1979288, 2226699, 2474110, 2581680, 2873160, 2968932, 3711165, 3872520, 3958576, 4453398, 4948220, 5746320, 5937864, 7422330, 7745040, 8906796, 9896440, 11133495, 11875728, 14844660, 17813592, 19792880, 22266990, 29689320, 35627184, 44533980, 59378640, 89067960, 178135920]

約数ペア:

[(1, 178135920), (2, 89067960), (3, 59378640), (4, 44533980), (5, 35627184), (6, 29689320), (8, 22266990), (9, 19792880), (10, 17813592), (12, 14844660), (15, 11875728), (16, 11133495), (18, 9896440), (20, 8906796), (23, 7745040), (24, 7422330), (30, 5937864), (31, 5746320), (36, 4948220), (40, 4453398), (45, 3958576), (46, 3872520), (48, 3711165), (60, 2968932), (62, 2873160), (69, 2581680), (72, 2474110), (80, 2226699), (90, 1979288), (92, 1936260), (93, 1915440), (115, 1549008), (120, 1484466), (124, 1436580), (138, 1290840), (144, 1237055), (155, 1149264), (180, 989644), (184, 968130), (186, 957720), (207, 860560), (230, 774504), (240, 742233), (248, 718290), (276, 645420), (279, 638480), (310, 574632), (345, 516336), (347, 513360), (360, 494822), (368, 484065), (372, 478860), (414, 430280), (460, 387252), (465, 383088), (496, 359145), (552, 322710), (558, 319240), (620, 287316), (690, 258168), (694, 256680), (713, 249840), (720, 247411), (744, 239430), (828, 215140), (920, 193626), (930, 191544), (1035, 172112), (1041, 171120), (1104, 161355), (1116, 159620), (1240, 143658), (1380, 129084), (1388, 128340), (1395, 127696), (1426, 124920), (1488, 119715), (1656, 107570), (1735, 102672), (1840, 96813), (1860, 95772), (2070, 86056), (2082, 85560), (2139, 83280), (2232, 79810), (2480, 71829), (2760, 64542), (2776, 64170), (2790, 63848), (2852, 62460), (3123, 57040), (3312, 53785), (3470, 51336), (3565, 49968), (3720, 47886), (4140, 43028), (4164, 42780), (4278, 41640), (4464, 39905), (5205, 34224), (5520, 32271), (5552, 32085), (5580, 31924), (5704, 31230), (6246, 28520), (6417, 27760), (6940, 25668), (7130, 24984), (7440, 23943), (7981, 22320), (8280, 21514), (8328, 21390), (8556, 20820), (10410, 17112), (10695, 16656), (10757, 16560), (11160, 15962), (11408, 15615), (12492, 14260), (12834, 13880)]