66653440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 187786368

約数和(自身を除く): 121132928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 173, 215, 224, 256, 280, 301, 320, 344, 346, 430, 448, 560, 602, 640, 688, 692, 860, 865, 896, 1120, 1204, 1211, 1280, 1376, 1384, 1505, 1720, 1730, 1792, 2240, 2408, 2422, 2752, 2768, 3010, 3440, 3460, 4480, 4816, 4844, 5504, 5536, 6020, 6055, 6880, 6920, 7439, 8960, 9632, 9688, 11008, 11072, 12040, 12110, 13760, 13840, 14878, 19264, 19376, 22144, 24080, 24220, 27520, 27680, 29756, 37195, 38528, 38752, 44288, 48160, 48440, 52073, 55040, 55360, 59512, 74390, 77056, 77504, 96320, 96880, 104146, 110720, 119024, 148780, 155008, 192640, 193760, 208292, 221440, 238048, 260365, 297560, 310016, 385280, 387520, 416584, 476096, 520730, 595120, 775040, 833168, 952192, 1041460, 1190240, 1550080, 1666336, 1904384, 2082920, 2380480, 3332672, 4165840, 4760960, 6665344, 8331680, 9521920, 13330688, 16663360, 33326720, 66653440]

約数ペア:

[(1, 66653440), (2, 33326720), (4, 16663360), (5, 13330688), (7, 9521920), (8, 8331680), (10, 6665344), (14, 4760960), (16, 4165840), (20, 3332672), (28, 2380480), (32, 2082920), (35, 1904384), (40, 1666336), (43, 1550080), (56, 1190240), (64, 1041460), (70, 952192), (80, 833168), (86, 775040), (112, 595120), (128, 520730), (140, 476096), (160, 416584), (172, 387520), (173, 385280), (215, 310016), (224, 297560), (256, 260365), (280, 238048), (301, 221440), (320, 208292), (344, 193760), (346, 192640), (430, 155008), (448, 148780), (560, 119024), (602, 110720), (640, 104146), (688, 96880), (692, 96320), (860, 77504), (865, 77056), (896, 74390), (1120, 59512), (1204, 55360), (1211, 55040), (1280, 52073), (1376, 48440), (1384, 48160), (1505, 44288), (1720, 38752), (1730, 38528), (1792, 37195), (2240, 29756), (2408, 27680), (2422, 27520), (2752, 24220), (2768, 24080), (3010, 22144), (3440, 19376), (3460, 19264), (4480, 14878), (4816, 13840), (4844, 13760), (5504, 12110), (5536, 12040), (6020, 11072), (6055, 11008), (6880, 9688), (6920, 9632), (7439, 8960)]