819134080

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:163

約数の個数: 256

約数和(自身を含む): 2220825600

約数和(自身を除く): 1401691520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 41, 53, 62, 64, 76, 80, 82, 95, 106, 124, 128, 152, 155, 160, 164, 190, 205, 212, 248, 265, 304, 310, 320, 328, 380, 410, 424, 496, 530, 589, 608, 620, 640, 656, 760, 779, 820, 848, 992, 1007, 1060, 1178, 1216, 1240, 1271, 1312, 1520, 1558, 1640, 1643, 1696, 1984, 2014, 2120, 2173, 2356, 2432, 2480, 2542, 2624, 2945, 3040, 3116, 3280, 3286, 3392, 3895, 3968, 4028, 4240, 4346, 4712, 4960, 5035, 5084, 5248, 5890, 6080, 6232, 6355, 6560, 6572, 6784, 7790, 8056, 8215, 8480, 8692, 9424, 9920, 10070, 10168, 10865, 11780, 12160, 12464, 12710, 13120, 13144, 15580, 16112, 16430, 16960, 17384, 18848, 19840, 20140, 20336, 21730, 23560, 24149, 24928, 25420, 26240, 26288, 31160, 31217, 32224, 32860, 33920, 34768, 37696, 40280, 40672, 41287, 43460, 47120, 48298, 49856, 50840, 52576, 62320, 62434, 64448, 65720, 67363, 69536, 75392, 80560, 81344, 82574, 86920, 94240, 96596, 99712, 101680, 105152, 120745, 124640, 124868, 128896, 131440, 134726, 139072, 156085, 161120, 162688, 165148, 173840, 188480, 193192, 203360, 206435, 210304, 241490, 249280, 249736, 262880, 269452, 278144, 312170, 322240, 330296, 336815, 347680, 376960, 386384, 406720, 412870, 482980, 498560, 499472, 525760, 538904, 624340, 644480, 660592, 673630, 695360, 772768, 813440, 825740, 965960, 998944, 1051520, 1077808, 1248680, 1279897, 1321184, 1347260, 1390720, 1545536, 1651480, 1931920, 1997888, 2155616, 2497360, 2559794, 2642368, 2694520, 3091072, 3302960, 3863840, 3995776, 4311232, 4994720, 5119588, 5284736, 5389040, 6399485, 6605920, 7727680, 8622464, 9989440, 10239176, 10778080, 12798970, 13211840, 15455360, 19978880, 20478352, 21556160, 25597940, 26423680, 40956704, 43112320, 51195880, 81913408, 102391760, 163826816, 204783520, 409567040, 819134080]

約数ペア:

[(1, 819134080), (2, 409567040), (4, 204783520), (5, 163826816), (8, 102391760), (10, 81913408), (16, 51195880), (19, 43112320), (20, 40956704), (31, 26423680), (32, 25597940), (38, 21556160), (40, 20478352), (41, 19978880), (53, 15455360), (62, 13211840), (64, 12798970), (76, 10778080), (80, 10239176), (82, 9989440), (95, 8622464), (106, 7727680), (124, 6605920), (128, 6399485), (152, 5389040), (155, 5284736), (160, 5119588), (164, 4994720), (190, 4311232), (205, 3995776), (212, 3863840), (248, 3302960), (265, 3091072), (304, 2694520), (310, 2642368), (320, 2559794), (328, 2497360), (380, 2155616), (410, 1997888), (424, 1931920), (496, 1651480), (530, 1545536), (589, 1390720), (608, 1347260), (620, 1321184), (640, 1279897), (656, 1248680), (760, 1077808), (779, 1051520), (820, 998944), (848, 965960), (992, 825740), (1007, 813440), (1060, 772768), (1178, 695360), (1216, 673630), (1240, 660592), (1271, 644480), (1312, 624340), (1520, 538904), (1558, 525760), (1640, 499472), (1643, 498560), (1696, 482980), (1984, 412870), (2014, 406720), (2120, 386384), (2173, 376960), (2356, 347680), (2432, 336815), (2480, 330296), (2542, 322240), (2624, 312170), (2945, 278144), (3040, 269452), (3116, 262880), (3280, 249736), (3286, 249280), (3392, 241490), (3895, 210304), (3968, 206435), (4028, 203360), (4240, 193192), (4346, 188480), (4712, 173840), (4960, 165148), (5035, 162688), (5084, 161120), (5248, 156085), (5890, 139072), (6080, 134726), (6232, 131440), (6355, 128896), (6560, 124868), (6572, 124640), (6784, 120745), (7790, 105152), (8056, 101680), (8215, 99712), (8480, 96596), (8692, 94240), (9424, 86920), (9920, 82574), (10070, 81344), (10168, 80560), (10865, 75392), (11780, 69536), (12160, 67363), (12464, 65720), (12710, 64448), (13120, 62434), (13144, 62320), (15580, 52576), (16112, 50840), (16430, 49856), (16960, 48298), (17384, 47120), (18848, 43460), (19840, 41287), (20140, 40672), (20336, 40280), (21730, 37696), (23560, 34768), (24149, 33920), (24928, 32860), (25420, 32224), (26240, 31217), (26288, 31160)]