27956460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 93883104

約数和(自身を除く): 65926644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 74, 84, 98, 105, 111, 140, 147, 148, 185, 196, 210, 222, 245, 257, 259, 294, 370, 420, 444, 490, 514, 518, 555, 588, 735, 740, 771, 777, 980, 1028, 1036, 1110, 1285, 1295, 1470, 1542, 1554, 1799, 1813, 2220, 2570, 2590, 2940, 3084, 3108, 3598, 3626, 3855, 3885, 5140, 5180, 5397, 5439, 7196, 7252, 7710, 7770, 8995, 9065, 9509, 10794, 10878, 12593, 15420, 15540, 17990, 18130, 19018, 21588, 21756, 25186, 26985, 27195, 28527, 35980, 36260, 37779, 38036, 47545, 50372, 53970, 54390, 57054, 62965, 66563, 75558, 95090, 107940, 108780, 114108, 125930, 133126, 142635, 151116, 188895, 190180, 199689, 251860, 266252, 285270, 332815, 377790, 399378, 465941, 570540, 665630, 755580, 798756, 931882, 998445, 1331260, 1397823, 1863764, 1996890, 2329705, 2795646, 3993780, 4659410, 5591292, 6989115, 9318820, 13978230, 27956460]

約数ペア:

[(1, 27956460), (2, 13978230), (3, 9318820), (4, 6989115), (5, 5591292), (6, 4659410), (7, 3993780), (10, 2795646), (12, 2329705), (14, 1996890), (15, 1863764), (20, 1397823), (21, 1331260), (28, 998445), (30, 931882), (35, 798756), (37, 755580), (42, 665630), (49, 570540), (60, 465941), (70, 399378), (74, 377790), (84, 332815), (98, 285270), (105, 266252), (111, 251860), (140, 199689), (147, 190180), (148, 188895), (185, 151116), (196, 142635), (210, 133126), (222, 125930), (245, 114108), (257, 108780), (259, 107940), (294, 95090), (370, 75558), (420, 66563), (444, 62965), (490, 57054), (514, 54390), (518, 53970), (555, 50372), (588, 47545), (735, 38036), (740, 37779), (771, 36260), (777, 35980), (980, 28527), (1028, 27195), (1036, 26985), (1110, 25186), (1285, 21756), (1295, 21588), (1470, 19018), (1542, 18130), (1554, 17990), (1799, 15540), (1813, 15420), (2220, 12593), (2570, 10878), (2590, 10794), (2940, 9509), (3084, 9065), (3108, 8995), (3598, 7770), (3626, 7710), (3855, 7252), (3885, 7196), (5140, 5439), (5180, 5397)]