1320812640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{18719}}^1$

素因数の和:18754

約数の個数: 216

約数和(自身を含む): 5243434560

約数和(自身を除く): 3922621920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 7056, 7840, 8820, 10080, 11760, 14112, 17640, 18719, 23520, 35280, 37438, 56157, 70560, 74876, 93595, 112314, 131033, 149752, 168471, 187190, 224628, 262066, 280785, 299504, 336942, 374380, 393099, 449256, 524132, 561570, 599008, 655165, 673884, 748760, 786198, 842355, 898512, 917231, 1048264, 1123140, 1179297, 1310330, 1347768, 1497520, 1572396, 1684710, 1797024, 1834462, 1965495, 2096528, 2246280, 2358594, 2620660, 2695536, 2751693, 2995040, 3144792, 3369420, 3668924, 3930990, 4193056, 4492560, 4586155, 4717188, 5241320, 5391072, 5503386, 5896485, 6289584, 6738840, 7337848, 7861980, 8255079, 8985120, 9172310, 9434376, 10482640, 11006772, 11792970, 12579168, 13477680, 13758465, 14675696, 15723960, 16510158, 18344620, 18868752, 20965280, 22013544, 23585940, 26955360, 27516930, 29351392, 31447920, 33020316, 36689240, 37737504, 41275395, 44027088, 47171880, 55033860, 62895840, 66040632, 73378480, 82550790, 88054176, 94343760, 110067720, 132081264, 146756960, 165101580, 188687520, 220135440, 264162528, 330203160, 440270880, 660406320, 1320812640]

約数ペア:

[(1, 1320812640), (2, 660406320), (3, 440270880), (4, 330203160), (5, 264162528), (6, 220135440), (7, 188687520), (8, 165101580), (9, 146756960), (10, 132081264), (12, 110067720), (14, 94343760), (15, 88054176), (16, 82550790), (18, 73378480), (20, 66040632), (21, 62895840), (24, 55033860), (28, 47171880), (30, 44027088), (32, 41275395), (35, 37737504), (36, 36689240), (40, 33020316), (42, 31447920), (45, 29351392), (48, 27516930), (49, 26955360), (56, 23585940), (60, 22013544), (63, 20965280), (70, 18868752), (72, 18344620), (80, 16510158), (84, 15723960), (90, 14675696), (96, 13758465), (98, 13477680), (105, 12579168), (112, 11792970), (120, 11006772), (126, 10482640), (140, 9434376), (144, 9172310), (147, 8985120), (160, 8255079), (168, 7861980), (180, 7337848), (196, 6738840), (210, 6289584), (224, 5896485), (240, 5503386), (245, 5391072), (252, 5241320), (280, 4717188), (288, 4586155), (294, 4492560), (315, 4193056), (336, 3930990), (360, 3668924), (392, 3369420), (420, 3144792), (441, 2995040), (480, 2751693), (490, 2695536), (504, 2620660), (560, 2358594), (588, 2246280), (630, 2096528), (672, 1965495), (720, 1834462), (735, 1797024), (784, 1684710), (840, 1572396), (882, 1497520), (980, 1347768), (1008, 1310330), (1120, 1179297), (1176, 1123140), (1260, 1048264), (1440, 917231), (1470, 898512), (1568, 842355), (1680, 786198), (1764, 748760), (1960, 673884), (2016, 655165), (2205, 599008), (2352, 561570), (2520, 524132), (2940, 449256), (3360, 393099), (3528, 374380), (3920, 336942), (4410, 299504), (4704, 280785), (5040, 262066), (5880, 224628), (7056, 187190), (7840, 168471), (8820, 149752), (10080, 131033), (11760, 112314), (14112, 93595), (17640, 74876), (18719, 70560), (23520, 56157), (35280, 37438)]