77915760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 240

約数和(自身を含む): 279383904

約数和(自身を除く): 201468144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 113, 120, 130, 136, 156, 169, 170, 195, 204, 208, 221, 226, 240, 255, 260, 272, 312, 338, 339, 340, 390, 408, 442, 452, 507, 510, 520, 565, 624, 663, 676, 678, 680, 780, 816, 845, 884, 904, 1014, 1020, 1040, 1105, 1130, 1326, 1352, 1356, 1360, 1469, 1560, 1690, 1695, 1768, 1808, 1921, 2028, 2040, 2210, 2260, 2535, 2652, 2704, 2712, 2873, 2938, 3120, 3315, 3380, 3390, 3536, 3842, 4056, 4080, 4407, 4420, 4520, 5070, 5304, 5424, 5746, 5763, 5876, 6630, 6760, 6780, 7345, 7684, 8112, 8619, 8814, 8840, 9040, 9605, 10140, 10608, 11492, 11526, 11752, 13260, 13520, 13560, 14365, 14690, 15368, 17238, 17628, 17680, 19097, 19210, 20280, 22035, 22984, 23052, 23504, 24973, 26520, 27120, 28730, 28815, 29380, 30736, 34476, 35256, 38194, 38420, 40560, 43095, 44070, 45968, 46104, 49946, 53040, 57291, 57460, 57630, 58760, 68952, 70512, 74919, 76388, 76840, 86190, 88140, 92208, 95485, 99892, 114582, 114920, 115260, 117520, 124865, 137904, 149838, 152776, 153680, 172380, 176280, 190970, 199784, 229164, 229840, 230520, 249730, 286455, 299676, 305552, 324649, 344760, 352560, 374595, 381940, 399568, 458328, 461040, 499460, 572910, 599352, 649298, 689520, 749190, 763880, 916656, 973947, 998920, 1145820, 1198704, 1298596, 1498380, 1527760, 1623245, 1947894, 1997840, 2291640, 2597192, 2996760, 3246490, 3895788, 4583280, 4869735, 5194384, 5993520, 6492980, 7791576, 9739470, 12985960, 15583152, 19478940, 25971920, 38957880, 77915760]

約数ペア:

[(1, 77915760), (2, 38957880), (3, 25971920), (4, 19478940), (5, 15583152), (6, 12985960), (8, 9739470), (10, 7791576), (12, 6492980), (13, 5993520), (15, 5194384), (16, 4869735), (17, 4583280), (20, 3895788), (24, 3246490), (26, 2996760), (30, 2597192), (34, 2291640), (39, 1997840), (40, 1947894), (48, 1623245), (51, 1527760), (52, 1498380), (60, 1298596), (65, 1198704), (68, 1145820), (78, 998920), (80, 973947), (85, 916656), (102, 763880), (104, 749190), (113, 689520), (120, 649298), (130, 599352), (136, 572910), (156, 499460), (169, 461040), (170, 458328), (195, 399568), (204, 381940), (208, 374595), (221, 352560), (226, 344760), (240, 324649), (255, 305552), (260, 299676), (272, 286455), (312, 249730), (338, 230520), (339, 229840), (340, 229164), (390, 199784), (408, 190970), (442, 176280), (452, 172380), (507, 153680), (510, 152776), (520, 149838), (565, 137904), (624, 124865), (663, 117520), (676, 115260), (678, 114920), (680, 114582), (780, 99892), (816, 95485), (845, 92208), (884, 88140), (904, 86190), (1014, 76840), (1020, 76388), (1040, 74919), (1105, 70512), (1130, 68952), (1326, 58760), (1352, 57630), (1356, 57460), (1360, 57291), (1469, 53040), (1560, 49946), (1690, 46104), (1695, 45968), (1768, 44070), (1808, 43095), (1921, 40560), (2028, 38420), (2040, 38194), (2210, 35256), (2260, 34476), (2535, 30736), (2652, 29380), (2704, 28815), (2712, 28730), (2873, 27120), (2938, 26520), (3120, 24973), (3315, 23504), (3380, 23052), (3390, 22984), (3536, 22035), (3842, 20280), (4056, 19210), (4080, 19097), (4407, 17680), (4420, 17628), (4520, 17238), (5070, 15368), (5304, 14690), (5424, 14365), (5746, 13560), (5763, 13520), (5876, 13260), (6630, 11752), (6760, 11526), (6780, 11492), (7345, 10608), (7684, 10140), (8112, 9605), (8619, 9040), (8814, 8840)]