644999640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2089}}^1$

素因数の和:2217

約数の個数: 128

約数和(自身を含む): 2022451200

約数和(自身を除く): 1377451560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 83, 93, 120, 124, 155, 166, 186, 248, 249, 310, 332, 372, 415, 465, 498, 620, 664, 744, 830, 930, 996, 1240, 1245, 1660, 1860, 1992, 2089, 2490, 2573, 3320, 3720, 4178, 4980, 5146, 6267, 7719, 8356, 9960, 10292, 10445, 12534, 12865, 15438, 16712, 20584, 20890, 25068, 25730, 30876, 31335, 38595, 41780, 50136, 51460, 61752, 62670, 64759, 77190, 83560, 102920, 125340, 129518, 154380, 173387, 194277, 250680, 259036, 308760, 323795, 346774, 388554, 518072, 520161, 647590, 693548, 777108, 866935, 971385, 1040322, 1295180, 1387096, 1554216, 1733870, 1942770, 2080644, 2590360, 2600805, 3467740, 3885540, 4161288, 5201610, 5374997, 6935480, 7771080, 10403220, 10749994, 16124991, 20806440, 21499988, 26874985, 32249982, 42999976, 53749970, 64499964, 80624955, 107499940, 128999928, 161249910, 214999880, 322499820, 644999640]

約数ペア:

[(1, 644999640), (2, 322499820), (3, 214999880), (4, 161249910), (5, 128999928), (6, 107499940), (8, 80624955), (10, 64499964), (12, 53749970), (15, 42999976), (20, 32249982), (24, 26874985), (30, 21499988), (31, 20806440), (40, 16124991), (60, 10749994), (62, 10403220), (83, 7771080), (93, 6935480), (120, 5374997), (124, 5201610), (155, 4161288), (166, 3885540), (186, 3467740), (248, 2600805), (249, 2590360), (310, 2080644), (332, 1942770), (372, 1733870), (415, 1554216), (465, 1387096), (498, 1295180), (620, 1040322), (664, 971385), (744, 866935), (830, 777108), (930, 693548), (996, 647590), (1240, 520161), (1245, 518072), (1660, 388554), (1860, 346774), (1992, 323795), (2089, 308760), (2490, 259036), (2573, 250680), (3320, 194277), (3720, 173387), (4178, 154380), (4980, 129518), (5146, 125340), (6267, 102920), (7719, 83560), (8356, 77190), (9960, 64759), (10292, 62670), (10445, 61752), (12534, 51460), (12865, 50136), (15438, 41780), (16712, 38595), (20584, 31335), (20890, 30876), (25068, 25730)]