81929520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 240

約数和(自身を含む): 297704160

約数和(自身を除く): 215774640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 53, 57, 60, 72, 76, 80, 90, 95, 106, 113, 114, 120, 144, 152, 159, 171, 180, 190, 212, 226, 228, 240, 265, 285, 304, 318, 339, 342, 360, 380, 424, 452, 456, 477, 530, 565, 570, 636, 678, 684, 720, 760, 795, 848, 855, 904, 912, 954, 1007, 1017, 1060, 1130, 1140, 1272, 1356, 1368, 1520, 1590, 1695, 1710, 1808, 1908, 2014, 2034, 2120, 2147, 2260, 2280, 2385, 2544, 2712, 2736, 3021, 3180, 3390, 3420, 3816, 4028, 4068, 4240, 4294, 4520, 4560, 4770, 5035, 5085, 5424, 5989, 6042, 6360, 6441, 6780, 6840, 7632, 8056, 8136, 8588, 9040, 9063, 9540, 10070, 10170, 10735, 11978, 12084, 12720, 12882, 13560, 13680, 15105, 16112, 16272, 17176, 17967, 18126, 19080, 19323, 20140, 20340, 21470, 23956, 24168, 25764, 27120, 29945, 30210, 32205, 34352, 35934, 36252, 38160, 38646, 40280, 40680, 42940, 45315, 47912, 48336, 51528, 53901, 59890, 60420, 64410, 71868, 72504, 77292, 80560, 81360, 85880, 89835, 90630, 95824, 96615, 103056, 107802, 113791, 119780, 120840, 128820, 143736, 145008, 154584, 171760, 179670, 181260, 193230, 215604, 227582, 239560, 241680, 257640, 269505, 287472, 309168, 341373, 359340, 362520, 386460, 431208, 455164, 479120, 515280, 539010, 568955, 682746, 718680, 725040, 772920, 862416, 910328, 1024119, 1078020, 1137910, 1365492, 1437360, 1545840, 1706865, 1820656, 2048238, 2156040, 2275820, 2730984, 3413730, 4096476, 4312080, 4551640, 5120595, 5461968, 6827460, 8192952, 9103280, 10241190, 13654920, 16385904, 20482380, 27309840, 40964760, 81929520]

約数ペア:

[(1, 81929520), (2, 40964760), (3, 27309840), (4, 20482380), (5, 16385904), (6, 13654920), (8, 10241190), (9, 9103280), (10, 8192952), (12, 6827460), (15, 5461968), (16, 5120595), (18, 4551640), (19, 4312080), (20, 4096476), (24, 3413730), (30, 2730984), (36, 2275820), (38, 2156040), (40, 2048238), (45, 1820656), (48, 1706865), (53, 1545840), (57, 1437360), (60, 1365492), (72, 1137910), (76, 1078020), (80, 1024119), (90, 910328), (95, 862416), (106, 772920), (113, 725040), (114, 718680), (120, 682746), (144, 568955), (152, 539010), (159, 515280), (171, 479120), (180, 455164), (190, 431208), (212, 386460), (226, 362520), (228, 359340), (240, 341373), (265, 309168), (285, 287472), (304, 269505), (318, 257640), (339, 241680), (342, 239560), (360, 227582), (380, 215604), (424, 193230), (452, 181260), (456, 179670), (477, 171760), (530, 154584), (565, 145008), (570, 143736), (636, 128820), (678, 120840), (684, 119780), (720, 113791), (760, 107802), (795, 103056), (848, 96615), (855, 95824), (904, 90630), (912, 89835), (954, 85880), (1007, 81360), (1017, 80560), (1060, 77292), (1130, 72504), (1140, 71868), (1272, 64410), (1356, 60420), (1368, 59890), (1520, 53901), (1590, 51528), (1695, 48336), (1710, 47912), (1808, 45315), (1908, 42940), (2014, 40680), (2034, 40280), (2120, 38646), (2147, 38160), (2260, 36252), (2280, 35934), (2385, 34352), (2544, 32205), (2712, 30210), (2736, 29945), (3021, 27120), (3180, 25764), (3390, 24168), (3420, 23956), (3816, 21470), (4028, 20340), (4068, 20140), (4240, 19323), (4294, 19080), (4520, 18126), (4560, 17967), (4770, 17176), (5035, 16272), (5085, 16112), (5424, 15105), (5989, 13680), (6042, 13560), (6360, 12882), (6441, 12720), (6780, 12084), (6840, 11978), (7632, 10735), (8056, 10170), (8136, 10070), (8588, 9540), (9040, 9063)]