987575680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:617

約数の個数: 256

約数和(自身を含む): 3004968960

約数和(自身を除く): 2017393280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 128, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 320, 364, 403, 416, 434, 448, 455, 496, 520, 547, 560, 620, 640, 728, 806, 832, 868, 896, 910, 992, 1040, 1085, 1094, 1120, 1240, 1456, 1612, 1664, 1736, 1820, 1984, 2015, 2080, 2170, 2188, 2240, 2480, 2735, 2821, 2912, 3224, 3472, 3640, 3829, 3968, 4030, 4160, 4340, 4376, 4480, 4960, 5470, 5642, 5824, 6448, 6944, 7111, 7280, 7658, 8060, 8320, 8680, 8752, 9920, 10940, 11284, 11648, 12896, 13888, 14105, 14222, 14560, 15316, 16120, 16957, 17360, 17504, 19145, 19840, 21880, 22568, 25792, 27776, 28210, 28444, 29120, 30632, 32240, 33914, 34720, 35008, 35555, 38290, 43760, 45136, 49777, 51584, 56420, 56888, 58240, 61264, 64480, 67828, 69440, 70016, 71110, 76580, 84785, 87520, 90272, 99554, 112840, 113776, 118699, 122528, 128960, 135656, 138880, 142220, 153160, 169570, 175040, 180544, 199108, 220441, 225680, 227552, 237398, 245056, 248885, 257920, 271312, 284440, 306320, 339140, 350080, 361088, 398216, 440882, 451360, 455104, 474796, 490112, 497770, 542624, 568880, 593495, 612640, 678280, 796432, 881764, 902720, 910208, 949592, 995540, 1085248, 1102205, 1137760, 1186990, 1225280, 1356560, 1543087, 1592864, 1763528, 1805440, 1899184, 1991080, 2170496, 2204410, 2275520, 2373980, 2450560, 2713120, 3086174, 3185728, 3527056, 3798368, 3982160, 4408820, 4551040, 4747960, 5426240, 6172348, 6371456, 7054112, 7596736, 7715435, 7964320, 8817640, 9495920, 10852480, 12344696, 14108224, 15193472, 15430870, 15928640, 17635280, 18991840, 24689392, 28216448, 30861740, 31857280, 35270560, 37983680, 49378784, 61723480, 70541120, 75967360, 98757568, 123446960, 141082240, 197515136, 246893920, 493787840, 987575680]

約数ペア:

[(1, 987575680), (2, 493787840), (4, 246893920), (5, 197515136), (7, 141082240), (8, 123446960), (10, 98757568), (13, 75967360), (14, 70541120), (16, 61723480), (20, 49378784), (26, 37983680), (28, 35270560), (31, 31857280), (32, 30861740), (35, 28216448), (40, 24689392), (52, 18991840), (56, 17635280), (62, 15928640), (64, 15430870), (65, 15193472), (70, 14108224), (80, 12344696), (91, 10852480), (104, 9495920), (112, 8817640), (124, 7964320), (128, 7715435), (130, 7596736), (140, 7054112), (155, 6371456), (160, 6172348), (182, 5426240), (208, 4747960), (217, 4551040), (224, 4408820), (248, 3982160), (260, 3798368), (280, 3527056), (310, 3185728), (320, 3086174), (364, 2713120), (403, 2450560), (416, 2373980), (434, 2275520), (448, 2204410), (455, 2170496), (496, 1991080), (520, 1899184), (547, 1805440), (560, 1763528), (620, 1592864), (640, 1543087), (728, 1356560), (806, 1225280), (832, 1186990), (868, 1137760), (896, 1102205), (910, 1085248), (992, 995540), (1040, 949592), (1085, 910208), (1094, 902720), (1120, 881764), (1240, 796432), (1456, 678280), (1612, 612640), (1664, 593495), (1736, 568880), (1820, 542624), (1984, 497770), (2015, 490112), (2080, 474796), (2170, 455104), (2188, 451360), (2240, 440882), (2480, 398216), (2735, 361088), (2821, 350080), (2912, 339140), (3224, 306320), (3472, 284440), (3640, 271312), (3829, 257920), (3968, 248885), (4030, 245056), (4160, 237398), (4340, 227552), (4376, 225680), (4480, 220441), (4960, 199108), (5470, 180544), (5642, 175040), (5824, 169570), (6448, 153160), (6944, 142220), (7111, 138880), (7280, 135656), (7658, 128960), (8060, 122528), (8320, 118699), (8680, 113776), (8752, 112840), (9920, 99554), (10940, 90272), (11284, 87520), (11648, 84785), (12896, 76580), (13888, 71110), (14105, 70016), (14222, 69440), (14560, 67828), (15316, 64480), (16120, 61264), (16957, 58240), (17360, 56888), (17504, 56420), (19145, 51584), (19840, 49777), (21880, 45136), (22568, 43760), (25792, 38290), (27776, 35555), (28210, 35008), (28444, 34720), (29120, 33914), (30632, 32240)]