1279412820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:724

約数の個数: 240

約数和(自身を含む): 4615269120

約数和(自身を除く): 3335856300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 257, 270, 315, 324, 378, 405, 420, 439, 514, 540, 567, 630, 756, 771, 810, 878, 945, 1028, 1134, 1260, 1285, 1317, 1542, 1620, 1756, 1799, 1890, 2195, 2268, 2313, 2570, 2634, 2835, 3073, 3084, 3598, 3780, 3855, 3951, 4390, 4626, 5140, 5268, 5397, 5670, 6146, 6585, 6939, 7196, 7710, 7902, 8780, 8995, 9219, 9252, 10794, 11340, 11565, 11853, 12292, 13170, 13878, 15365, 15420, 15804, 16191, 17990, 18438, 19755, 20817, 21588, 23130, 23706, 26340, 26985, 27657, 27756, 30730, 32382, 34695, 35559, 35980, 36876, 39510, 41634, 46095, 46260, 47412, 48573, 53970, 55314, 59265, 61460, 64764, 69390, 71118, 79020, 80955, 82971, 83268, 92190, 97146, 104085, 107940, 110628, 112823, 118530, 138285, 138780, 142236, 145719, 161910, 165942, 177795, 184380, 194292, 208170, 225646, 237060, 242865, 248913, 276570, 291438, 323820, 331884, 338469, 355590, 414855, 416340, 451292, 485730, 497826, 553140, 564115, 582876, 676938, 711180, 728595, 789761, 829710, 971460, 995652, 1015407, 1128230, 1244565, 1353876, 1457190, 1579522, 1659420, 1692345, 2030814, 2256460, 2369283, 2489130, 2914380, 3046221, 3159044, 3384690, 3948805, 4061628, 4738566, 4978260, 5077035, 6092442, 6769380, 7107849, 7897610, 9138663, 9477132, 10154070, 11846415, 12184884, 14215698, 15231105, 15795220, 18277326, 20308140, 21323547, 23692830, 28431396, 30462210, 35539245, 36554652, 42647094, 45693315, 47385660, 60924420, 63970641, 71078490, 85294188, 91386630, 106617735, 127941282, 142156980, 182773260, 213235470, 255882564, 319853205, 426470940, 639706410, 1279412820]

約数ペア:

[(1, 1279412820), (2, 639706410), (3, 426470940), (4, 319853205), (5, 255882564), (6, 213235470), (7, 182773260), (9, 142156980), (10, 127941282), (12, 106617735), (14, 91386630), (15, 85294188), (18, 71078490), (20, 63970641), (21, 60924420), (27, 47385660), (28, 45693315), (30, 42647094), (35, 36554652), (36, 35539245), (42, 30462210), (45, 28431396), (54, 23692830), (60, 21323547), (63, 20308140), (70, 18277326), (81, 15795220), (84, 15231105), (90, 14215698), (105, 12184884), (108, 11846415), (126, 10154070), (135, 9477132), (140, 9138663), (162, 7897610), (180, 7107849), (189, 6769380), (210, 6092442), (252, 5077035), (257, 4978260), (270, 4738566), (315, 4061628), (324, 3948805), (378, 3384690), (405, 3159044), (420, 3046221), (439, 2914380), (514, 2489130), (540, 2369283), (567, 2256460), (630, 2030814), (756, 1692345), (771, 1659420), (810, 1579522), (878, 1457190), (945, 1353876), (1028, 1244565), (1134, 1128230), (1260, 1015407), (1285, 995652), (1317, 971460), (1542, 829710), (1620, 789761), (1756, 728595), (1799, 711180), (1890, 676938), (2195, 582876), (2268, 564115), (2313, 553140), (2570, 497826), (2634, 485730), (2835, 451292), (3073, 416340), (3084, 414855), (3598, 355590), (3780, 338469), (3855, 331884), (3951, 323820), (4390, 291438), (4626, 276570), (5140, 248913), (5268, 242865), (5397, 237060), (5670, 225646), (6146, 208170), (6585, 194292), (6939, 184380), (7196, 177795), (7710, 165942), (7902, 161910), (8780, 145719), (8995, 142236), (9219, 138780), (9252, 138285), (10794, 118530), (11340, 112823), (11565, 110628), (11853, 107940), (12292, 104085), (13170, 97146), (13878, 92190), (15365, 83268), (15420, 82971), (15804, 80955), (16191, 79020), (17990, 71118), (18438, 69390), (19755, 64764), (20817, 61460), (21588, 59265), (23130, 55314), (23706, 53970), (26340, 48573), (26985, 47412), (27657, 46260), (27756, 46095), (30730, 41634), (32382, 39510), (34695, 36876), (35559, 35980)]