64217520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1129}}^1$

素因数の和:1227

約数の個数: 120

約数和(自身を含む): 218587200

約数和(自身を除く): 154369680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1129, 1185, 1264, 1422, 1580, 1896, 2258, 2370, 2844, 3160, 3387, 3555, 3792, 4516, 4740, 5645, 5688, 6320, 6774, 7110, 9032, 9480, 10161, 11290, 11376, 13548, 14220, 16935, 18064, 18960, 20322, 22580, 27096, 28440, 33870, 40644, 45160, 50805, 54192, 56880, 67740, 81288, 89191, 90320, 101610, 135480, 162576, 178382, 203220, 267573, 270960, 356764, 406440, 445955, 535146, 713528, 802719, 812880, 891910, 1070292, 1337865, 1427056, 1605438, 1783820, 2140584, 2675730, 3210876, 3567640, 4013595, 4281168, 5351460, 6421752, 7135280, 8027190, 10702920, 12843504, 16054380, 21405840, 32108760, 64217520]

約数ペア:

[(1, 64217520), (2, 32108760), (3, 21405840), (4, 16054380), (5, 12843504), (6, 10702920), (8, 8027190), (9, 7135280), (10, 6421752), (12, 5351460), (15, 4281168), (16, 4013595), (18, 3567640), (20, 3210876), (24, 2675730), (30, 2140584), (36, 1783820), (40, 1605438), (45, 1427056), (48, 1337865), (60, 1070292), (72, 891910), (79, 812880), (80, 802719), (90, 713528), (120, 535146), (144, 445955), (158, 406440), (180, 356764), (237, 270960), (240, 267573), (316, 203220), (360, 178382), (395, 162576), (474, 135480), (632, 101610), (711, 90320), (720, 89191), (790, 81288), (948, 67740), (1129, 56880), (1185, 54192), (1264, 50805), (1422, 45160), (1580, 40644), (1896, 33870), (2258, 28440), (2370, 27096), (2844, 22580), (3160, 20322), (3387, 18960), (3555, 18064), (3792, 16935), (4516, 14220), (4740, 13548), (5645, 11376), (5688, 11290), (6320, 10161), (6774, 9480), (7110, 9032)]