1640590416

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{199877}}^1$

素因数の和:199913

約数の個数: 80

約数和(自身を含む): 4956974400

約数和(自身を除く): 3316383984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2736, 4104, 8208, 199877, 399754, 599631, 799508, 1199262, 1599016, 1798893, 2398524, 3198032, 3597786, 3797663, 4797048, 5396679, 7195572, 7595326, 9594096, 10793358, 11392989, 14391144, 15190652, 21586716, 22785978, 28782288, 30381304, 34178967, 43173432, 45571956, 60762608, 68357934, 86346864, 91143912, 102536901, 136715868, 182287824, 205073802, 273431736, 410147604, 546863472, 820295208, 1640590416]

約数ペア:

[(1, 1640590416), (2, 820295208), (3, 546863472), (4, 410147604), (6, 273431736), (8, 205073802), (9, 182287824), (12, 136715868), (16, 102536901), (18, 91143912), (19, 86346864), (24, 68357934), (27, 60762608), (36, 45571956), (38, 43173432), (48, 34178967), (54, 30381304), (57, 28782288), (72, 22785978), (76, 21586716), (108, 15190652), (114, 14391144), (144, 11392989), (152, 10793358), (171, 9594096), (216, 7595326), (228, 7195572), (304, 5396679), (342, 4797048), (432, 3797663), (456, 3597786), (513, 3198032), (684, 2398524), (912, 1798893), (1026, 1599016), (1368, 1199262), (2052, 799508), (2736, 599631), (4104, 399754), (8208, 199877)]