28022720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:466

約数の個数: 112

約数和(自身を含む): 76809600

約数和(自身を除く): 48786880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 320, 352, 380, 418, 419, 440, 608, 704, 760, 836, 838, 880, 1045, 1216, 1520, 1672, 1676, 1760, 2090, 2095, 3040, 3344, 3352, 3520, 4180, 4190, 4609, 6080, 6688, 6704, 7961, 8360, 8380, 9218, 13376, 13408, 15922, 16720, 16760, 18436, 23045, 26816, 31844, 33440, 33520, 36872, 39805, 46090, 63688, 66880, 67040, 73744, 79610, 87571, 92180, 127376, 134080, 147488, 159220, 175142, 184360, 254752, 294976, 318440, 350284, 368720, 437855, 509504, 636880, 700568, 737440, 875710, 1273760, 1401136, 1474880, 1751420, 2547520, 2802272, 3502840, 5604544, 7005680, 14011360, 28022720]

約数ペア:

[(1, 28022720), (2, 14011360), (4, 7005680), (5, 5604544), (8, 3502840), (10, 2802272), (11, 2547520), (16, 1751420), (19, 1474880), (20, 1401136), (22, 1273760), (32, 875710), (38, 737440), (40, 700568), (44, 636880), (55, 509504), (64, 437855), (76, 368720), (80, 350284), (88, 318440), (95, 294976), (110, 254752), (152, 184360), (160, 175142), (176, 159220), (190, 147488), (209, 134080), (220, 127376), (304, 92180), (320, 87571), (352, 79610), (380, 73744), (418, 67040), (419, 66880), (440, 63688), (608, 46090), (704, 39805), (760, 36872), (836, 33520), (838, 33440), (880, 31844), (1045, 26816), (1216, 23045), (1520, 18436), (1672, 16760), (1676, 16720), (1760, 15922), (2090, 13408), (2095, 13376), (3040, 9218), (3344, 8380), (3352, 8360), (3520, 7961), (4180, 6704), (4190, 6688), (4609, 6080)]