1306979840

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:480

約数の個数: 160

約数和(自身を含む): 3318644736

約数和(自身を除く): 2011664896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 128, 155, 160, 172, 215, 248, 256, 310, 320, 344, 383, 430, 496, 512, 620, 640, 688, 766, 860, 992, 1240, 1280, 1333, 1376, 1532, 1720, 1915, 1984, 2480, 2560, 2666, 2752, 3064, 3440, 3830, 3968, 4960, 5332, 5504, 6128, 6665, 6880, 7660, 7936, 9920, 10664, 11008, 11873, 12256, 13330, 13760, 15320, 15872, 16469, 19840, 21328, 22016, 23746, 24512, 26660, 27520, 30640, 32938, 39680, 42656, 47492, 49024, 53320, 55040, 59365, 61280, 65876, 79360, 82345, 85312, 94984, 98048, 106640, 110080, 118730, 122560, 131752, 164690, 170624, 189968, 196096, 213280, 237460, 245120, 263504, 329380, 341248, 379936, 426560, 474920, 490240, 510539, 527008, 658760, 682496, 759872, 853120, 949840, 980480, 1021078, 1054016, 1317520, 1519744, 1706240, 1899680, 2042156, 2108032, 2552695, 2635040, 3039488, 3412480, 3799360, 4084312, 4216064, 5105390, 5270080, 6078976, 7598720, 8168624, 8432128, 10210780, 10540160, 15197440, 16337248, 20421560, 21080320, 30394880, 32674496, 40843120, 42160640, 65348992, 81686240, 130697984, 163372480, 261395968, 326744960, 653489920, 1306979840]

約数ペア:

[(1, 1306979840), (2, 653489920), (4, 326744960), (5, 261395968), (8, 163372480), (10, 130697984), (16, 81686240), (20, 65348992), (31, 42160640), (32, 40843120), (40, 32674496), (43, 30394880), (62, 21080320), (64, 20421560), (80, 16337248), (86, 15197440), (124, 10540160), (128, 10210780), (155, 8432128), (160, 8168624), (172, 7598720), (215, 6078976), (248, 5270080), (256, 5105390), (310, 4216064), (320, 4084312), (344, 3799360), (383, 3412480), (430, 3039488), (496, 2635040), (512, 2552695), (620, 2108032), (640, 2042156), (688, 1899680), (766, 1706240), (860, 1519744), (992, 1317520), (1240, 1054016), (1280, 1021078), (1333, 980480), (1376, 949840), (1532, 853120), (1720, 759872), (1915, 682496), (1984, 658760), (2480, 527008), (2560, 510539), (2666, 490240), (2752, 474920), (3064, 426560), (3440, 379936), (3830, 341248), (3968, 329380), (4960, 263504), (5332, 245120), (5504, 237460), (6128, 213280), (6665, 196096), (6880, 189968), (7660, 170624), (7936, 164690), (9920, 131752), (10664, 122560), (11008, 118730), (11873, 110080), (12256, 106640), (13330, 98048), (13760, 94984), (15320, 85312), (15872, 82345), (16469, 79360), (19840, 65876), (21328, 61280), (22016, 59365), (23746, 55040), (24512, 53320), (26660, 49024), (27520, 47492), (30640, 42656), (32938, 39680)]