1280321640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:418

約数の個数: 320

約数和(自身を含む): 4692718800

約数和(自身を除く): 3412397160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 113, 117, 120, 130, 135, 156, 162, 180, 195, 216, 226, 234, 260, 269, 270, 312, 324, 339, 351, 360, 390, 405, 452, 468, 520, 538, 540, 565, 585, 648, 678, 702, 780, 807, 810, 904, 936, 1017, 1053, 1076, 1080, 1130, 1170, 1345, 1356, 1404, 1469, 1560, 1614, 1620, 1695, 1755, 2034, 2106, 2152, 2260, 2340, 2421, 2690, 2712, 2808, 2938, 3051, 3228, 3240, 3390, 3497, 3510, 4035, 4068, 4212, 4407, 4520, 4680, 4842, 5085, 5265, 5380, 5876, 6102, 6456, 6780, 6994, 7020, 7263, 7345, 8070, 8136, 8424, 8814, 9153, 9684, 10170, 10491, 10530, 10760, 11752, 12105, 12204, 13221, 13560, 13988, 14040, 14526, 14690, 15255, 16140, 17485, 17628, 18306, 19368, 20340, 20982, 21060, 21789, 22035, 24210, 24408, 26442, 27976, 29052, 29380, 30397, 30510, 31473, 32280, 34970, 35256, 36315, 36612, 39663, 40680, 41964, 42120, 43578, 44070, 45765, 48420, 52455, 52884, 58104, 58760, 60794, 61020, 62946, 66105, 69940, 72630, 73224, 79326, 83928, 87156, 88140, 91191, 91530, 94419, 96840, 104910, 105768, 108945, 118989, 121588, 122040, 125892, 132210, 139880, 145260, 151985, 157365, 158652, 174312, 176280, 182382, 183060, 188838, 198315, 209820, 217890, 237978, 243176, 251784, 264420, 273573, 283257, 290520, 303970, 314730, 317304, 364764, 366120, 377676, 395161, 396630, 419640, 435780, 455955, 472095, 475956, 528840, 547146, 566514, 594945, 607940, 629460, 729528, 755352, 790322, 793260, 820719, 871560, 911910, 944190, 951912, 1094292, 1133028, 1185483, 1189890, 1215880, 1258920, 1367865, 1416285, 1580644, 1586520, 1641438, 1823820, 1888380, 1975805, 2188584, 2266056, 2370966, 2379780, 2462157, 2735730, 2832570, 3161288, 3282876, 3556449, 3647640, 3776760, 3951610, 4103595, 4741932, 4759560, 4924314, 5471460, 5665140, 5927415, 6565752, 7112898, 7903220, 8207190, 9483864, 9848628, 10669347, 10942920, 11330280, 11854830, 12310785, 14225796, 15806440, 16414380, 17782245, 19697256, 21338694, 23709660, 24621570, 28451592, 32008041, 32828760, 35564490, 42677388, 47419320, 49243140, 53346735, 64016082, 71128980, 85354776, 98486280, 106693470, 128032164, 142257960, 160040205, 213386940, 256064328, 320080410, 426773880, 640160820, 1280321640]

約数ペア:

[(1, 1280321640), (2, 640160820), (3, 426773880), (4, 320080410), (5, 256064328), (6, 213386940), (8, 160040205), (9, 142257960), (10, 128032164), (12, 106693470), (13, 98486280), (15, 85354776), (18, 71128980), (20, 64016082), (24, 53346735), (26, 49243140), (27, 47419320), (30, 42677388), (36, 35564490), (39, 32828760), (40, 32008041), (45, 28451592), (52, 24621570), (54, 23709660), (60, 21338694), (65, 19697256), (72, 17782245), (78, 16414380), (81, 15806440), (90, 14225796), (104, 12310785), (108, 11854830), (113, 11330280), (117, 10942920), (120, 10669347), (130, 9848628), (135, 9483864), (156, 8207190), (162, 7903220), (180, 7112898), (195, 6565752), (216, 5927415), (226, 5665140), (234, 5471460), (260, 4924314), (269, 4759560), (270, 4741932), (312, 4103595), (324, 3951610), (339, 3776760), (351, 3647640), (360, 3556449), (390, 3282876), (405, 3161288), (452, 2832570), (468, 2735730), (520, 2462157), (538, 2379780), (540, 2370966), (565, 2266056), (585, 2188584), (648, 1975805), (678, 1888380), (702, 1823820), (780, 1641438), (807, 1586520), (810, 1580644), (904, 1416285), (936, 1367865), (1017, 1258920), (1053, 1215880), (1076, 1189890), (1080, 1185483), (1130, 1133028), (1170, 1094292), (1345, 951912), (1356, 944190), (1404, 911910), (1469, 871560), (1560, 820719), (1614, 793260), (1620, 790322), (1695, 755352), (1755, 729528), (2034, 629460), (2106, 607940), (2152, 594945), (2260, 566514), (2340, 547146), (2421, 528840), (2690, 475956), (2712, 472095), (2808, 455955), (2938, 435780), (3051, 419640), (3228, 396630), (3240, 395161), (3390, 377676), (3497, 366120), (3510, 364764), (4035, 317304), (4068, 314730), (4212, 303970), (4407, 290520), (4520, 283257), (4680, 273573), (4842, 264420), (5085, 251784), (5265, 243176), (5380, 237978), (5876, 217890), (6102, 209820), (6456, 198315), (6780, 188838), (6994, 183060), (7020, 182382), (7263, 176280), (7345, 174312), (8070, 158652), (8136, 157365), (8424, 151985), (8814, 145260), (9153, 139880), (9684, 132210), (10170, 125892), (10491, 122040), (10530, 121588), (10760, 118989), (11752, 108945), (12105, 105768), (12204, 104910), (13221, 96840), (13560, 94419), (13988, 91530), (14040, 91191), (14526, 88140), (14690, 87156), (15255, 83928), (16140, 79326), (17485, 73224), (17628, 72630), (18306, 69940), (19368, 66105), (20340, 62946), (20982, 61020), (21060, 60794), (21789, 58760), (22035, 58104), (24210, 52884), (24408, 52455), (26442, 48420), (27976, 45765), (29052, 44070), (29380, 43578), (30397, 42120), (30510, 41964), (31473, 40680), (32280, 39663), (34970, 36612), (35256, 36315)]