178117380

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:280

約数の個数: 240

約数和(自身を含む): 648869760

約数和(自身を除く): 470752380

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, 113, 126, 135, 139, 140, 162, 180, 189, 210, 226, 252, 270, 278, 315, 324, 339, 378, 405, 417, 420, 452, 540, 556, 565, 567, 630, 678, 695, 756, 791, 810, 834, 945, 973, 1017, 1130, 1134, 1251, 1260, 1356, 1390, 1582, 1620, 1668, 1695, 1890, 1946, 2034, 2085, 2260, 2268, 2373, 2502, 2780, 2835, 2919, 3051, 3164, 3390, 3753, 3780, 3892, 3955, 4068, 4170, 4746, 4865, 5004, 5085, 5670, 5838, 6102, 6255, 6780, 7119, 7506, 7910, 8340, 8757, 9153, 9492, 9730, 10170, 11259, 11340, 11676, 11865, 12204, 12510, 14238, 14595, 15012, 15255, 15707, 15820, 17514, 18306, 18765, 19460, 20340, 21357, 22518, 23730, 25020, 26271, 28476, 29190, 30510, 31414, 35028, 35595, 36612, 37530, 42714, 43785, 45036, 45765, 47121, 47460, 52542, 56295, 58380, 61020, 62828, 64071, 71190, 75060, 78535, 78813, 85428, 87570, 91530, 94242, 105084, 106785, 109949, 112590, 128142, 131355, 141363, 142380, 157070, 157626, 175140, 183060, 188484, 213570, 219898, 225180, 235605, 256284, 262710, 282726, 314140, 315252, 320355, 329847, 394065, 424089, 427140, 439796, 471210, 525420, 549745, 565452, 640710, 659694, 706815, 788130, 848178, 942420, 989541, 1099490, 1272267, 1281420, 1319388, 1413630, 1576260, 1649235, 1696356, 1979082, 2120445, 2198980, 2544534, 2827260, 2968623, 3298470, 3958164, 4240890, 4947705, 5089068, 5937246, 6361335, 6596940, 8481780, 8905869, 9895410, 11874492, 12722670, 14843115, 17811738, 19790820, 25445340, 29686230, 35623476, 44529345, 59372460, 89058690, 178117380]

約数ペア:

[(1, 178117380), (2, 89058690), (3, 59372460), (4, 44529345), (5, 35623476), (6, 29686230), (7, 25445340), (9, 19790820), (10, 17811738), (12, 14843115), (14, 12722670), (15, 11874492), (18, 9895410), (20, 8905869), (21, 8481780), (27, 6596940), (28, 6361335), (30, 5937246), (35, 5089068), (36, 4947705), (42, 4240890), (45, 3958164), (54, 3298470), (60, 2968623), (63, 2827260), (70, 2544534), (81, 2198980), (84, 2120445), (90, 1979082), (105, 1696356), (108, 1649235), (113, 1576260), (126, 1413630), (135, 1319388), (139, 1281420), (140, 1272267), (162, 1099490), (180, 989541), (189, 942420), (210, 848178), (226, 788130), (252, 706815), (270, 659694), (278, 640710), (315, 565452), (324, 549745), (339, 525420), (378, 471210), (405, 439796), (417, 427140), (420, 424089), (452, 394065), (540, 329847), (556, 320355), (565, 315252), (567, 314140), (630, 282726), (678, 262710), (695, 256284), (756, 235605), (791, 225180), (810, 219898), (834, 213570), (945, 188484), (973, 183060), (1017, 175140), (1130, 157626), (1134, 157070), (1251, 142380), (1260, 141363), (1356, 131355), (1390, 128142), (1582, 112590), (1620, 109949), (1668, 106785), (1695, 105084), (1890, 94242), (1946, 91530), (2034, 87570), (2085, 85428), (2260, 78813), (2268, 78535), (2373, 75060), (2502, 71190), (2780, 64071), (2835, 62828), (2919, 61020), (3051, 58380), (3164, 56295), (3390, 52542), (3753, 47460), (3780, 47121), (3892, 45765), (3955, 45036), (4068, 43785), (4170, 42714), (4746, 37530), (4865, 36612), (5004, 35595), (5085, 35028), (5670, 31414), (5838, 30510), (6102, 29190), (6255, 28476), (6780, 26271), (7119, 25020), (7506, 23730), (7910, 22518), (8340, 21357), (8757, 20340), (9153, 19460), (9492, 18765), (9730, 18306), (10170, 17514), (11259, 15820), (11340, 15707), (11676, 15255), (11865, 15012), (12204, 14595), (12510, 14238)]