77748480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:441

約数の個数: 216

約数和(自身を含む): 285542712

約数和(自身を除く): 207794232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 397, 408, 480, 510, 544, 576, 612, 640, 680, 720, 765, 768, 794, 816, 960, 1020, 1088, 1152, 1191, 1224, 1280, 1360, 1440, 1530, 1588, 1632, 1920, 1985, 2040, 2176, 2304, 2382, 2448, 2720, 2880, 3060, 3176, 3264, 3573, 3840, 3970, 4080, 4352, 4764, 4896, 5440, 5760, 5955, 6120, 6352, 6528, 6749, 7146, 7940, 8160, 9528, 9792, 10880, 11520, 11910, 12240, 12704, 13056, 13498, 14292, 15880, 16320, 17865, 19056, 19584, 20247, 21760, 23820, 24480, 25408, 26996, 28584, 31760, 32640, 33745, 35730, 38112, 39168, 40494, 47640, 48960, 50816, 53992, 57168, 60741, 63520, 65280, 67490, 71460, 76224, 80988, 95280, 97920, 101235, 101632, 107984, 114336, 121482, 127040, 134980, 142920, 152448, 161976, 190560, 195840, 202470, 215968, 228672, 242964, 254080, 269960, 285840, 303705, 304896, 323952, 381120, 404940, 431936, 457344, 485928, 508160, 539920, 571680, 607410, 647904, 762240, 809880, 863872, 914688, 971856, 1079840, 1143360, 1214820, 1295808, 1524480, 1619760, 1727744, 1943712, 2159680, 2286720, 2429640, 2591616, 3239520, 3887424, 4319360, 4573440, 4859280, 5183232, 6479040, 7774848, 8638720, 9718560, 12958080, 15549696, 19437120, 25916160, 38874240, 77748480]

約数ペア:

[(1, 77748480), (2, 38874240), (3, 25916160), (4, 19437120), (5, 15549696), (6, 12958080), (8, 9718560), (9, 8638720), (10, 7774848), (12, 6479040), (15, 5183232), (16, 4859280), (17, 4573440), (18, 4319360), (20, 3887424), (24, 3239520), (30, 2591616), (32, 2429640), (34, 2286720), (36, 2159680), (40, 1943712), (45, 1727744), (48, 1619760), (51, 1524480), (60, 1295808), (64, 1214820), (68, 1143360), (72, 1079840), (80, 971856), (85, 914688), (90, 863872), (96, 809880), (102, 762240), (120, 647904), (128, 607410), (136, 571680), (144, 539920), (153, 508160), (160, 485928), (170, 457344), (180, 431936), (192, 404940), (204, 381120), (240, 323952), (255, 304896), (256, 303705), (272, 285840), (288, 269960), (306, 254080), (320, 242964), (340, 228672), (360, 215968), (384, 202470), (397, 195840), (408, 190560), (480, 161976), (510, 152448), (544, 142920), (576, 134980), (612, 127040), (640, 121482), (680, 114336), (720, 107984), (765, 101632), (768, 101235), (794, 97920), (816, 95280), (960, 80988), (1020, 76224), (1088, 71460), (1152, 67490), (1191, 65280), (1224, 63520), (1280, 60741), (1360, 57168), (1440, 53992), (1530, 50816), (1588, 48960), (1632, 47640), (1920, 40494), (1985, 39168), (2040, 38112), (2176, 35730), (2304, 33745), (2382, 32640), (2448, 31760), (2720, 28584), (2880, 26996), (3060, 25408), (3176, 24480), (3264, 23820), (3573, 21760), (3840, 20247), (3970, 19584), (4080, 19056), (4352, 17865), (4764, 16320), (4896, 15880), (5440, 14292), (5760, 13498), (5955, 13056), (6120, 12704), (6352, 12240), (6528, 11910), (6749, 11520), (7146, 10880), (7940, 9792), (8160, 9528)]