287751520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{127}}^1$

素因数の和:190

約数の個数: 216

約数和(自身を含む): 846671616

約数和(自身を除く): 558920096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 127, 136, 140, 160, 170, 196, 224, 238, 245, 254, 272, 280, 289, 340, 392, 476, 490, 508, 544, 560, 578, 595, 635, 680, 784, 833, 889, 952, 980, 1016, 1120, 1156, 1190, 1270, 1360, 1445, 1568, 1666, 1778, 1904, 1960, 2023, 2032, 2159, 2312, 2380, 2540, 2720, 2890, 3332, 3556, 3808, 3920, 4046, 4064, 4165, 4318, 4445, 4624, 4760, 5080, 5780, 6223, 6664, 7112, 7840, 8092, 8330, 8636, 8890, 9248, 9520, 10115, 10160, 10795, 11560, 12446, 13328, 14161, 14224, 15113, 16184, 16660, 17272, 17780, 19040, 20230, 20320, 21590, 23120, 24892, 26656, 28322, 28448, 30226, 31115, 32368, 33320, 34544, 35560, 36703, 40460, 43180, 46240, 49784, 56644, 60452, 62230, 64736, 66640, 69088, 70805, 71120, 73406, 75565, 80920, 86360, 99568, 105791, 113288, 120904, 124460, 133280, 141610, 142240, 146812, 151130, 161840, 172720, 183515, 199136, 211582, 226576, 241808, 248920, 256921, 283220, 293624, 302260, 323680, 345440, 367030, 423164, 453152, 483616, 497840, 513842, 528955, 566440, 587248, 604520, 734060, 846328, 995680, 1027684, 1057910, 1132880, 1174496, 1209040, 1284605, 1468120, 1692656, 1798447, 2055368, 2115820, 2265760, 2418080, 2569210, 2936240, 3385312, 3596894, 4110736, 4231640, 5138420, 5872480, 7193788, 8221472, 8463280, 8992235, 10276840, 14387576, 16926560, 17984470, 20553680, 28775152, 35968940, 41107360, 57550304, 71937880, 143875760, 287751520]

約数ペア:

[(1, 287751520), (2, 143875760), (4, 71937880), (5, 57550304), (7, 41107360), (8, 35968940), (10, 28775152), (14, 20553680), (16, 17984470), (17, 16926560), (20, 14387576), (28, 10276840), (32, 8992235), (34, 8463280), (35, 8221472), (40, 7193788), (49, 5872480), (56, 5138420), (68, 4231640), (70, 4110736), (80, 3596894), (85, 3385312), (98, 2936240), (112, 2569210), (119, 2418080), (127, 2265760), (136, 2115820), (140, 2055368), (160, 1798447), (170, 1692656), (196, 1468120), (224, 1284605), (238, 1209040), (245, 1174496), (254, 1132880), (272, 1057910), (280, 1027684), (289, 995680), (340, 846328), (392, 734060), (476, 604520), (490, 587248), (508, 566440), (544, 528955), (560, 513842), (578, 497840), (595, 483616), (635, 453152), (680, 423164), (784, 367030), (833, 345440), (889, 323680), (952, 302260), (980, 293624), (1016, 283220), (1120, 256921), (1156, 248920), (1190, 241808), (1270, 226576), (1360, 211582), (1445, 199136), (1568, 183515), (1666, 172720), (1778, 161840), (1904, 151130), (1960, 146812), (2023, 142240), (2032, 141610), (2159, 133280), (2312, 124460), (2380, 120904), (2540, 113288), (2720, 105791), (2890, 99568), (3332, 86360), (3556, 80920), (3808, 75565), (3920, 73406), (4046, 71120), (4064, 70805), (4165, 69088), (4318, 66640), (4445, 64736), (4624, 62230), (4760, 60452), (5080, 56644), (5780, 49784), (6223, 46240), (6664, 43180), (7112, 40460), (7840, 36703), (8092, 35560), (8330, 34544), (8636, 33320), (8890, 32368), (9248, 31115), (9520, 30226), (10115, 28448), (10160, 28322), (10795, 26656), (11560, 24892), (12446, 23120), (13328, 21590), (14161, 20320), (14224, 20230), (15113, 19040), (16184, 17780), (16660, 17272)]