645664608

素因数分解:

$2^5\times 3^5\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:1999

約数の個数: 144

約数和(自身を含む): 1949403456

約数和(自身を除く): 1303738848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 72, 81, 86, 96, 108, 129, 144, 162, 172, 216, 243, 258, 288, 324, 344, 387, 432, 486, 516, 648, 688, 774, 864, 972, 1032, 1161, 1296, 1376, 1548, 1931, 1944, 2064, 2322, 2592, 3096, 3483, 3862, 3888, 4128, 4644, 5793, 6192, 6966, 7724, 7776, 9288, 10449, 11586, 12384, 13932, 15448, 17379, 18576, 20898, 23172, 27864, 30896, 34758, 37152, 41796, 46344, 52137, 55728, 61792, 69516, 83033, 83592, 92688, 104274, 111456, 139032, 156411, 166066, 167184, 185376, 208548, 249099, 278064, 312822, 332132, 334368, 417096, 469233, 498198, 556128, 625644, 664264, 747297, 834192, 938466, 996396, 1251288, 1328528, 1494594, 1668384, 1876932, 1992792, 2241891, 2502576, 2657056, 2989188, 3753864, 3985584, 4483782, 5005152, 5978376, 6725673, 7507728, 7971168, 8967564, 11956752, 13451346, 15015456, 17935128, 20177019, 23913504, 26902692, 35870256, 40354038, 53805384, 71740512, 80708076, 107610768, 161416152, 215221536, 322832304, 645664608]

約数ペア:

[(1, 645664608), (2, 322832304), (3, 215221536), (4, 161416152), (6, 107610768), (8, 80708076), (9, 71740512), (12, 53805384), (16, 40354038), (18, 35870256), (24, 26902692), (27, 23913504), (32, 20177019), (36, 17935128), (43, 15015456), (48, 13451346), (54, 11956752), (72, 8967564), (81, 7971168), (86, 7507728), (96, 6725673), (108, 5978376), (129, 5005152), (144, 4483782), (162, 3985584), (172, 3753864), (216, 2989188), (243, 2657056), (258, 2502576), (288, 2241891), (324, 1992792), (344, 1876932), (387, 1668384), (432, 1494594), (486, 1328528), (516, 1251288), (648, 996396), (688, 938466), (774, 834192), (864, 747297), (972, 664264), (1032, 625644), (1161, 556128), (1296, 498198), (1376, 469233), (1548, 417096), (1931, 334368), (1944, 332132), (2064, 312822), (2322, 278064), (2592, 249099), (3096, 208548), (3483, 185376), (3862, 167184), (3888, 166066), (4128, 156411), (4644, 139032), (5793, 111456), (6192, 104274), (6966, 92688), (7724, 83592), (7776, 83033), (9288, 69516), (10449, 61792), (11586, 55728), (12384, 52137), (13932, 46344), (15448, 41796), (17379, 37152), (18576, 34758), (20898, 30896), (23172, 27864)]