2491476720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1\times {\mathrm{397}}^1$

素因数の和:823

約数の個数: 160

約数和(自身を含む): 7864734720

約数和(自身を除く): 5373258000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 331, 395, 397, 474, 632, 662, 790, 794, 948, 993, 1185, 1191, 1264, 1324, 1580, 1588, 1655, 1896, 1985, 1986, 2370, 2382, 2648, 3160, 3176, 3310, 3792, 3970, 3972, 4740, 4764, 4965, 5296, 5955, 6320, 6352, 6620, 7940, 7944, 9480, 9528, 9930, 11910, 13240, 15880, 15888, 18960, 19056, 19860, 23820, 26149, 26480, 31363, 31760, 39720, 47640, 52298, 62726, 78447, 79440, 94089, 95280, 104596, 125452, 130745, 131407, 156815, 156894, 188178, 209192, 250904, 261490, 262814, 313630, 313788, 376356, 392235, 394221, 418384, 470445, 501808, 522980, 525628, 627260, 627576, 657035, 752712, 784470, 788442, 940890, 1045960, 1051256, 1254520, 1255152, 1314070, 1505424, 1568940, 1576884, 1881780, 1971105, 2091920, 2102512, 2509040, 2628140, 3137880, 3153768, 3763560, 3942210, 5256280, 6275760, 6307536, 7527120, 7884420, 10381153, 10512560, 15768840, 20762306, 31143459, 31537680, 41524612, 51905765, 62286918, 83049224, 103811530, 124573836, 155717295, 166098448, 207623060, 249147672, 311434590, 415246120, 498295344, 622869180, 830492240, 1245738360, 2491476720]

約数ペア:

[(1, 2491476720), (2, 1245738360), (3, 830492240), (4, 622869180), (5, 498295344), (6, 415246120), (8, 311434590), (10, 249147672), (12, 207623060), (15, 166098448), (16, 155717295), (20, 124573836), (24, 103811530), (30, 83049224), (40, 62286918), (48, 51905765), (60, 41524612), (79, 31537680), (80, 31143459), (120, 20762306), (158, 15768840), (237, 10512560), (240, 10381153), (316, 7884420), (331, 7527120), (395, 6307536), (397, 6275760), (474, 5256280), (632, 3942210), (662, 3763560), (790, 3153768), (794, 3137880), (948, 2628140), (993, 2509040), (1185, 2102512), (1191, 2091920), (1264, 1971105), (1324, 1881780), (1580, 1576884), (1588, 1568940), (1655, 1505424), (1896, 1314070), (1985, 1255152), (1986, 1254520), (2370, 1051256), (2382, 1045960), (2648, 940890), (3160, 788442), (3176, 784470), (3310, 752712), (3792, 657035), (3970, 627576), (3972, 627260), (4740, 525628), (4764, 522980), (4965, 501808), (5296, 470445), (5955, 418384), (6320, 394221), (6352, 392235), (6620, 376356), (7940, 313788), (7944, 313630), (9480, 262814), (9528, 261490), (9930, 250904), (11910, 209192), (13240, 188178), (15880, 156894), (15888, 156815), (18960, 131407), (19056, 130745), (19860, 125452), (23820, 104596), (26149, 95280), (26480, 94089), (31363, 79440), (31760, 78447), (39720, 62726), (47640, 52298)]