28941320340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1\times {\mathrm{3779}}^1$

素因数の和:4222

約数の個数: 144

約数和(自身を含む): 88697306880

約数和(自身を除く): 59755986540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 271, 314, 471, 542, 628, 785, 813, 942, 1084, 1355, 1413, 1570, 1626, 1884, 2355, 2439, 2710, 2826, 3140, 3252, 3779, 4065, 4710, 4878, 5420, 5652, 7065, 7558, 8130, 9420, 9756, 11337, 12195, 14130, 15116, 16260, 18895, 22674, 24390, 28260, 34011, 37790, 42547, 45348, 48780, 56685, 68022, 75580, 85094, 113370, 127641, 136044, 170055, 170188, 212735, 226740, 255282, 340110, 382923, 425470, 510564, 593303, 638205, 680220, 765846, 850940, 1024109, 1186606, 1276410, 1531692, 1779909, 1914615, 2048218, 2373212, 2552820, 2966515, 3072327, 3559818, 3829230, 4096436, 5120545, 5339727, 5933030, 6144654, 7119636, 7658460, 8899545, 9216981, 10241090, 10679454, 11866060, 12289308, 15361635, 17799090, 18433962, 20482180, 21358908, 26698635, 30723270, 35598180, 36867924, 46084905, 53397270, 61446540, 92169810, 106794540, 160785113, 184339620, 321570226, 482355339, 643140452, 803925565, 964710678, 1447066017, 1607851130, 1929421356, 2411776695, 2894132034, 3215702260, 4823553390, 5788264068, 7235330085, 9647106780, 14470660170, 28941320340]

約数ペア:

[(1, 28941320340), (2, 14470660170), (3, 9647106780), (4, 7235330085), (5, 5788264068), (6, 4823553390), (9, 3215702260), (10, 2894132034), (12, 2411776695), (15, 1929421356), (18, 1607851130), (20, 1447066017), (30, 964710678), (36, 803925565), (45, 643140452), (60, 482355339), (90, 321570226), (157, 184339620), (180, 160785113), (271, 106794540), (314, 92169810), (471, 61446540), (542, 53397270), (628, 46084905), (785, 36867924), (813, 35598180), (942, 30723270), (1084, 26698635), (1355, 21358908), (1413, 20482180), (1570, 18433962), (1626, 17799090), (1884, 15361635), (2355, 12289308), (2439, 11866060), (2710, 10679454), (2826, 10241090), (3140, 9216981), (3252, 8899545), (3779, 7658460), (4065, 7119636), (4710, 6144654), (4878, 5933030), (5420, 5339727), (5652, 5120545), (7065, 4096436), (7558, 3829230), (8130, 3559818), (9420, 3072327), (9756, 2966515), (11337, 2552820), (12195, 2373212), (14130, 2048218), (15116, 1914615), (16260, 1779909), (18895, 1531692), (22674, 1276410), (24390, 1186606), (28260, 1024109), (34011, 850940), (37790, 765846), (42547, 680220), (45348, 638205), (48780, 593303), (56685, 510564), (68022, 425470), (75580, 382923), (85094, 340110), (113370, 255282), (127641, 226740), (136044, 212735), (170055, 170188)]