189531520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:324

約数の個数: 128

約数和(自身を含む): 481178880

約数和(自身を除く): 291647360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 233, 248, 310, 320, 328, 410, 466, 496, 620, 640, 656, 820, 932, 992, 1165, 1240, 1271, 1312, 1640, 1864, 1984, 2330, 2480, 2542, 2624, 3280, 3728, 3968, 4660, 4960, 5084, 5248, 6355, 6560, 7223, 7456, 9320, 9553, 9920, 10168, 12710, 13120, 14446, 14912, 18640, 19106, 19840, 20336, 25420, 26240, 28892, 29824, 36115, 37280, 38212, 40672, 47765, 50840, 57784, 72230, 74560, 76424, 81344, 95530, 101680, 115568, 144460, 149120, 152848, 162688, 191060, 203360, 231136, 288920, 296143, 305696, 382120, 406720, 462272, 577840, 592286, 611392, 764240, 813440, 924544, 1155680, 1184572, 1222784, 1480715, 1528480, 2311360, 2369144, 2961430, 3056960, 4622720, 4738288, 5922860, 6113920, 9476576, 11845720, 18953152, 23691440, 37906304, 47382880, 94765760, 189531520]

約数ペア:

[(1, 189531520), (2, 94765760), (4, 47382880), (5, 37906304), (8, 23691440), (10, 18953152), (16, 11845720), (20, 9476576), (31, 6113920), (32, 5922860), (40, 4738288), (41, 4622720), (62, 3056960), (64, 2961430), (80, 2369144), (82, 2311360), (124, 1528480), (128, 1480715), (155, 1222784), (160, 1184572), (164, 1155680), (205, 924544), (233, 813440), (248, 764240), (310, 611392), (320, 592286), (328, 577840), (410, 462272), (466, 406720), (496, 382120), (620, 305696), (640, 296143), (656, 288920), (820, 231136), (932, 203360), (992, 191060), (1165, 162688), (1240, 152848), (1271, 149120), (1312, 144460), (1640, 115568), (1864, 101680), (1984, 95530), (2330, 81344), (2480, 76424), (2542, 74560), (2624, 72230), (3280, 57784), (3728, 50840), (3968, 47765), (4660, 40672), (4960, 38212), (5084, 37280), (5248, 36115), (6355, 29824), (6560, 28892), (7223, 26240), (7456, 25420), (9320, 20336), (9553, 19840), (9920, 19106), (10168, 18640), (12710, 14912), (13120, 14446)]