346445840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 909275136

約数和(自身を除く): 562829296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 61, 65, 80, 86, 104, 122, 127, 130, 172, 208, 215, 244, 254, 260, 305, 344, 430, 488, 508, 520, 559, 610, 635, 688, 793, 860, 976, 1016, 1040, 1118, 1220, 1270, 1586, 1651, 1720, 2032, 2236, 2440, 2540, 2623, 2795, 3172, 3302, 3440, 3965, 4472, 4880, 5080, 5246, 5461, 5590, 6344, 6604, 7747, 7930, 8255, 8944, 10160, 10492, 10922, 11180, 12688, 13115, 13208, 15494, 15860, 16510, 20984, 21844, 22360, 26230, 26416, 27305, 30988, 31720, 33020, 34099, 38735, 41968, 43688, 44720, 52460, 54610, 61976, 63440, 66040, 68198, 70993, 77470, 87376, 100711, 104920, 109220, 123952, 132080, 136396, 141986, 154940, 170495, 201422, 209840, 218440, 272792, 283972, 309880, 333121, 340990, 354965, 402844, 436880, 503555, 545584, 567944, 619760, 666242, 681980, 709930, 805688, 1007110, 1135888, 1332484, 1363960, 1419860, 1611376, 1665605, 2014220, 2664968, 2727920, 2839720, 3331210, 4028440, 4330573, 5329936, 5679440, 6662420, 8056880, 8661146, 13324840, 17322292, 21652865, 26649680, 34644584, 43305730, 69289168, 86611460, 173222920, 346445840]

約数ペア:

[(1, 346445840), (2, 173222920), (4, 86611460), (5, 69289168), (8, 43305730), (10, 34644584), (13, 26649680), (16, 21652865), (20, 17322292), (26, 13324840), (40, 8661146), (43, 8056880), (52, 6662420), (61, 5679440), (65, 5329936), (80, 4330573), (86, 4028440), (104, 3331210), (122, 2839720), (127, 2727920), (130, 2664968), (172, 2014220), (208, 1665605), (215, 1611376), (244, 1419860), (254, 1363960), (260, 1332484), (305, 1135888), (344, 1007110), (430, 805688), (488, 709930), (508, 681980), (520, 666242), (559, 619760), (610, 567944), (635, 545584), (688, 503555), (793, 436880), (860, 402844), (976, 354965), (1016, 340990), (1040, 333121), (1118, 309880), (1220, 283972), (1270, 272792), (1586, 218440), (1651, 209840), (1720, 201422), (2032, 170495), (2236, 154940), (2440, 141986), (2540, 136396), (2623, 132080), (2795, 123952), (3172, 109220), (3302, 104920), (3440, 100711), (3965, 87376), (4472, 77470), (4880, 70993), (5080, 68198), (5246, 66040), (5461, 63440), (5590, 61976), (6344, 54610), (6604, 52460), (7747, 44720), (7930, 43688), (8255, 41968), (8944, 38735), (10160, 34099), (10492, 33020), (10922, 31720), (11180, 30988), (12688, 27305), (13115, 26416), (13208, 26230), (15494, 22360), (15860, 21844), (16510, 20984)]