20191648680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157109}}^1$

素因数の和:157153

約数の個数: 256

約数和(自身を含む): 81445824000

約数和(自身を除く): 61254175320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 51, 54, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 108, 119, 120, 126, 135, 136, 140, 153, 168, 170, 180, 189, 204, 210, 216, 238, 252, 255, 270, 280, 306, 315, 340, 357, 360, 378, 408, 420, 459, 476, 504, 510, 540, 595, 612, 630, 680, 714, 756, 765, 840, 918, 945, 952, 1020, 1071, 1080, 1190, 1224, 1260, 1428, 1512, 1530, 1785, 1836, 1890, 2040, 2142, 2295, 2380, 2520, 2856, 3060, 3213, 3570, 3672, 3780, 4284, 4590, 4760, 5355, 6120, 6426, 7140, 7560, 8568, 9180, 10710, 12852, 14280, 16065, 18360, 21420, 25704, 32130, 42840, 64260, 128520, 157109, 314218, 471327, 628436, 785545, 942654, 1099763, 1256872, 1413981, 1571090, 1885308, 2199526, 2356635, 2670853, 2827962, 3142180, 3299289, 3770616, 4241943, 4399052, 4713270, 5341706, 5498815, 5655924, 6284360, 6598578, 7069905, 8012559, 8483886, 8798104, 9426540, 9897867, 10683412, 10997630, 11311848, 13197156, 13354265, 14139810, 16025118, 16496445, 16967772, 18695971, 18853080, 19795734, 21209715, 21366824, 21995260, 24037677, 26394312, 26708530, 28279620, 29693601, 32050236, 32992890, 33935544, 37391942, 39591468, 40062795, 42419430, 43990520, 48075354, 49489335, 53417060, 56087913, 56559240, 59387202, 64100472, 65985780, 72113031, 74783884, 79182936, 80125590, 84838860, 93479855, 96150708, 98978670, 106834120, 112175826, 118774404, 120188385, 131971560, 144226062, 148468005, 149567768, 160251180, 168263739, 169677720, 186959710, 192301416, 197957340, 224351652, 237548808, 240376770, 280439565, 288452124, 296936010, 320502360, 336527478, 360565155, 373919420, 395914680, 448703304, 480753540, 504791217, 560879130, 576904248, 593872020, 673054956, 721130310, 747838840, 841318695, 961507080, 1009582434, 1121758260, 1187744040, 1346109912, 1442260620, 1682637390, 2019164868, 2243516520, 2523956085, 2884521240, 3365274780, 4038329736, 5047912170, 6730549560, 10095824340, 20191648680]

約数ペア:

[(1, 20191648680), (2, 10095824340), (3, 6730549560), (4, 5047912170), (5, 4038329736), (6, 3365274780), (7, 2884521240), (8, 2523956085), (9, 2243516520), (10, 2019164868), (12, 1682637390), (14, 1442260620), (15, 1346109912), (17, 1187744040), (18, 1121758260), (20, 1009582434), (21, 961507080), (24, 841318695), (27, 747838840), (28, 721130310), (30, 673054956), (34, 593872020), (35, 576904248), (36, 560879130), (40, 504791217), (42, 480753540), (45, 448703304), (51, 395914680), (54, 373919420), (56, 360565155), (60, 336527478), (63, 320502360), (68, 296936010), (70, 288452124), (72, 280439565), (84, 240376770), (85, 237548808), (90, 224351652), (102, 197957340), (105, 192301416), (108, 186959710), (119, 169677720), (120, 168263739), (126, 160251180), (135, 149567768), (136, 148468005), (140, 144226062), (153, 131971560), (168, 120188385), (170, 118774404), (180, 112175826), (189, 106834120), (204, 98978670), (210, 96150708), (216, 93479855), (238, 84838860), (252, 80125590), (255, 79182936), (270, 74783884), (280, 72113031), (306, 65985780), (315, 64100472), (340, 59387202), (357, 56559240), (360, 56087913), (378, 53417060), (408, 49489335), (420, 48075354), (459, 43990520), (476, 42419430), (504, 40062795), (510, 39591468), (540, 37391942), (595, 33935544), (612, 32992890), (630, 32050236), (680, 29693601), (714, 28279620), (756, 26708530), (765, 26394312), (840, 24037677), (918, 21995260), (945, 21366824), (952, 21209715), (1020, 19795734), (1071, 18853080), (1080, 18695971), (1190, 16967772), (1224, 16496445), (1260, 16025118), (1428, 14139810), (1512, 13354265), (1530, 13197156), (1785, 11311848), (1836, 10997630), (1890, 10683412), (2040, 9897867), (2142, 9426540), (2295, 8798104), (2380, 8483886), (2520, 8012559), (2856, 7069905), (3060, 6598578), (3213, 6284360), (3570, 5655924), (3672, 5498815), (3780, 5341706), (4284, 4713270), (4590, 4399052), (4760, 4241943), (5355, 3770616), (6120, 3299289), (6426, 3142180), (7140, 2827962), (7560, 2670853), (8568, 2356635), (9180, 2199526), (10710, 1885308), (12852, 1571090), (14280, 1413981), (16065, 1256872), (18360, 1099763), (21420, 942654), (25704, 785545), (32130, 628436), (42840, 471327), (64260, 314218), (128520, 157109)]