64304640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{2791}}^1$

素因数の和:2820

約数の個数: 120

約数和(自身を含む): 222784848

約数和(自身を除く): 158480208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2791, 2880, 3840, 4608, 5582, 5760, 7680, 8373, 11164, 11520, 13955, 16746, 22328, 23040, 25119, 27910, 33492, 41865, 44656, 50238, 55820, 66984, 83730, 89312, 100476, 111640, 125595, 133968, 167460, 178624, 200952, 223280, 251190, 267936, 334920, 357248, 401904, 446560, 502380, 535872, 669840, 714496, 803808, 893120, 1004760, 1071744, 1339680, 1428992, 1607616, 1786240, 2009520, 2143488, 2679360, 3215232, 3572480, 4019040, 4286976, 5358720, 6430464, 7144960, 8038080, 10717440, 12860928, 16076160, 21434880, 32152320, 64304640]

約数ペア:

[(1, 64304640), (2, 32152320), (3, 21434880), (4, 16076160), (5, 12860928), (6, 10717440), (8, 8038080), (9, 7144960), (10, 6430464), (12, 5358720), (15, 4286976), (16, 4019040), (18, 3572480), (20, 3215232), (24, 2679360), (30, 2143488), (32, 2009520), (36, 1786240), (40, 1607616), (45, 1428992), (48, 1339680), (60, 1071744), (64, 1004760), (72, 893120), (80, 803808), (90, 714496), (96, 669840), (120, 535872), (128, 502380), (144, 446560), (160, 401904), (180, 357248), (192, 334920), (240, 267936), (256, 251190), (288, 223280), (320, 200952), (360, 178624), (384, 167460), (480, 133968), (512, 125595), (576, 111640), (640, 100476), (720, 89312), (768, 83730), (960, 66984), (1152, 55820), (1280, 50238), (1440, 44656), (1536, 41865), (1920, 33492), (2304, 27910), (2560, 25119), (2791, 23040), (2880, 22328), (3840, 16746), (4608, 13955), (5582, 11520), (5760, 11164), (7680, 8373)]