256792320

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{22291}}^1$

素因数の和:22318

約数の個数: 108

約数和(自身を含む): 888514536

約数和(自身を除く): 631722216

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, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 22291, 44582, 66873, 89164, 111455, 133746, 178328, 200619, 222910, 267492, 334365, 356656, 401238, 445820, 534984, 668730, 713312, 802476, 891640, 1003095, 1069968, 1337460, 1426624, 1604952, 1783280, 2006190, 2139936, 2674920, 2853248, 3209904, 3566560, 4012380, 4279872, 5349840, 5706496, 6419808, 7133120, 8024760, 8559744, 10699680, 12839616, 14266240, 16049520, 17119488, 21399360, 25679232, 28532480, 32099040, 42798720, 51358464, 64198080, 85597440, 128396160, 256792320]

約数ペア:

[(1, 256792320), (2, 128396160), (3, 85597440), (4, 64198080), (5, 51358464), (6, 42798720), (8, 32099040), (9, 28532480), (10, 25679232), (12, 21399360), (15, 17119488), (16, 16049520), (18, 14266240), (20, 12839616), (24, 10699680), (30, 8559744), (32, 8024760), (36, 7133120), (40, 6419808), (45, 5706496), (48, 5349840), (60, 4279872), (64, 4012380), (72, 3566560), (80, 3209904), (90, 2853248), (96, 2674920), (120, 2139936), (128, 2006190), (144, 1783280), (160, 1604952), (180, 1426624), (192, 1337460), (240, 1069968), (256, 1003095), (288, 891640), (320, 802476), (360, 713312), (384, 668730), (480, 534984), (576, 445820), (640, 401238), (720, 356656), (768, 334365), (960, 267492), (1152, 222910), (1280, 200619), (1440, 178328), (1920, 133746), (2304, 111455), (2880, 89164), (3840, 66873), (5760, 44582), (11520, 22291)]