256212480

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:556

約数の個数: 160

約数和(自身を含む): 832116384

約数和(自身を除く): 575903904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 128, 146, 160, 192, 219, 240, 256, 292, 320, 365, 384, 438, 457, 480, 512, 584, 640, 730, 768, 876, 914, 960, 1095, 1168, 1280, 1371, 1460, 1536, 1752, 1828, 1920, 2190, 2285, 2336, 2560, 2742, 2920, 3504, 3656, 3840, 4380, 4570, 4672, 5484, 5840, 6855, 7008, 7312, 7680, 8760, 9140, 9344, 10968, 11680, 13710, 14016, 14624, 17520, 18280, 18688, 21936, 23360, 27420, 28032, 29248, 33361, 35040, 36560, 37376, 43872, 46720, 54840, 56064, 58496, 66722, 70080, 73120, 87744, 93440, 100083, 109680, 112128, 116992, 133444, 140160, 146240, 166805, 175488, 186880, 200166, 219360, 233984, 266888, 280320, 292480, 333610, 350976, 400332, 438720, 500415, 533776, 560640, 584960, 667220, 701952, 800664, 877440, 1000830, 1067552, 1169920, 1334440, 1601328, 1754880, 2001660, 2135104, 2668880, 3202656, 3509760, 4003320, 4270208, 5337760, 6405312, 8006640, 8540416, 10675520, 12810624, 16013280, 17080832, 21351040, 25621248, 32026560, 42702080, 51242496, 64053120, 85404160, 128106240, 256212480]

約数ペア:

[(1, 256212480), (2, 128106240), (3, 85404160), (4, 64053120), (5, 51242496), (6, 42702080), (8, 32026560), (10, 25621248), (12, 21351040), (15, 17080832), (16, 16013280), (20, 12810624), (24, 10675520), (30, 8540416), (32, 8006640), (40, 6405312), (48, 5337760), (60, 4270208), (64, 4003320), (73, 3509760), (80, 3202656), (96, 2668880), (120, 2135104), (128, 2001660), (146, 1754880), (160, 1601328), (192, 1334440), (219, 1169920), (240, 1067552), (256, 1000830), (292, 877440), (320, 800664), (365, 701952), (384, 667220), (438, 584960), (457, 560640), (480, 533776), (512, 500415), (584, 438720), (640, 400332), (730, 350976), (768, 333610), (876, 292480), (914, 280320), (960, 266888), (1095, 233984), (1168, 219360), (1280, 200166), (1371, 186880), (1460, 175488), (1536, 166805), (1752, 146240), (1828, 140160), (1920, 133444), (2190, 116992), (2285, 112128), (2336, 109680), (2560, 100083), (2742, 93440), (2920, 87744), (3504, 73120), (3656, 70080), (3840, 66722), (4380, 58496), (4570, 56064), (4672, 54840), (5484, 46720), (5840, 43872), (6855, 37376), (7008, 36560), (7312, 35040), (7680, 33361), (8760, 29248), (9140, 28032), (9344, 27420), (10968, 23360), (11680, 21936), (13710, 18688), (14016, 18280), (14624, 17520)]