2780350560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7817}}^1$

素因数の和:7870

約数の個数: 288

約数和(自身を含む): 10756942560

約数和(自身を除く): 7976592000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 32, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 96, 104, 114, 117, 120, 130, 144, 152, 156, 160, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 288, 304, 312, 342, 360, 380, 390, 416, 456, 468, 480, 494, 520, 570, 585, 608, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1248, 1368, 1440, 1482, 1520, 1560, 1710, 1824, 1872, 1976, 2080, 2223, 2280, 2340, 2470, 2736, 2964, 3040, 3120, 3420, 3705, 3744, 3952, 4446, 4560, 4680, 4940, 5472, 5928, 6240, 6840, 7410, 7817, 7904, 8892, 9120, 9360, 9880, 11115, 11856, 13680, 14820, 15634, 17784, 18720, 19760, 22230, 23451, 23712, 27360, 29640, 31268, 35568, 39085, 39520, 44460, 46902, 59280, 62536, 70353, 71136, 78170, 88920, 93804, 101621, 117255, 118560, 125072, 140706, 148523, 156340, 177840, 187608, 203242, 234510, 250144, 281412, 297046, 304863, 312680, 351765, 355680, 375216, 406484, 445569, 469020, 508105, 562824, 594092, 609726, 625360, 703530, 742615, 750432, 812968, 891138, 914589, 938040, 1016210, 1125648, 1188184, 1219452, 1250720, 1336707, 1407060, 1485230, 1524315, 1625936, 1782276, 1829178, 1876080, 1930799, 2032420, 2227845, 2251296, 2376368, 2438904, 2673414, 2814120, 2970460, 3048630, 3251872, 3564552, 3658356, 3752160, 3861598, 4064840, 4455690, 4572945, 4752736, 4877808, 5346828, 5628240, 5792397, 5940920, 6097260, 6683535, 7129104, 7316712, 7723196, 8129680, 8911380, 9145890, 9653995, 9755616, 10693656, 11256480, 11584794, 11881840, 12194520, 13367070, 14258208, 14633424, 15446392, 16259360, 17377191, 17822760, 18291780, 19307990, 21387312, 23169588, 23763680, 24389040, 26734140, 28961985, 29266848, 30892784, 34754382, 35645520, 36583560, 38615980, 42774624, 46339176, 48778080, 53468280, 57923970, 61785568, 69508764, 71291040, 73167120, 77231960, 86885955, 92678352, 106936560, 115847940, 139017528, 146334240, 154463920, 173771910, 185356704, 213873120, 231695880, 278035056, 308927840, 347543820, 463391760, 556070112, 695087640, 926783520, 1390175280, 2780350560]

約数ペア:

[(1, 2780350560), (2, 1390175280), (3, 926783520), (4, 695087640), (5, 556070112), (6, 463391760), (8, 347543820), (9, 308927840), (10, 278035056), (12, 231695880), (13, 213873120), (15, 185356704), (16, 173771910), (18, 154463920), (19, 146334240), (20, 139017528), (24, 115847940), (26, 106936560), (30, 92678352), (32, 86885955), (36, 77231960), (38, 73167120), (39, 71291040), (40, 69508764), (45, 61785568), (48, 57923970), (52, 53468280), (57, 48778080), (60, 46339176), (65, 42774624), (72, 38615980), (76, 36583560), (78, 35645520), (80, 34754382), (90, 30892784), (95, 29266848), (96, 28961985), (104, 26734140), (114, 24389040), (117, 23763680), (120, 23169588), (130, 21387312), (144, 19307990), (152, 18291780), (156, 17822760), (160, 17377191), (171, 16259360), (180, 15446392), (190, 14633424), (195, 14258208), (208, 13367070), (228, 12194520), (234, 11881840), (240, 11584794), (247, 11256480), (260, 10693656), (285, 9755616), (288, 9653995), (304, 9145890), (312, 8911380), (342, 8129680), (360, 7723196), (380, 7316712), (390, 7129104), (416, 6683535), (456, 6097260), (468, 5940920), (480, 5792397), (494, 5628240), (520, 5346828), (570, 4877808), (585, 4752736), (608, 4572945), (624, 4455690), (684, 4064840), (720, 3861598), (741, 3752160), (760, 3658356), (780, 3564552), (855, 3251872), (912, 3048630), (936, 2970460), (988, 2814120), (1040, 2673414), (1140, 2438904), (1170, 2376368), (1235, 2251296), (1248, 2227845), (1368, 2032420), (1440, 1930799), (1482, 1876080), (1520, 1829178), (1560, 1782276), (1710, 1625936), (1824, 1524315), (1872, 1485230), (1976, 1407060), (2080, 1336707), (2223, 1250720), (2280, 1219452), (2340, 1188184), (2470, 1125648), (2736, 1016210), (2964, 938040), (3040, 914589), (3120, 891138), (3420, 812968), (3705, 750432), (3744, 742615), (3952, 703530), (4446, 625360), (4560, 609726), (4680, 594092), (4940, 562824), (5472, 508105), (5928, 469020), (6240, 445569), (6840, 406484), (7410, 375216), (7817, 355680), (7904, 351765), (8892, 312680), (9120, 304863), (9360, 297046), (9880, 281412), (11115, 250144), (11856, 234510), (13680, 203242), (14820, 187608), (15634, 177840), (17784, 156340), (18720, 148523), (19760, 140706), (22230, 125072), (23451, 118560), (23712, 117255), (27360, 101621), (29640, 93804), (31268, 88920), (35568, 78170), (39085, 71136), (39520, 70353), (44460, 62536), (46902, 59280)]