1649892480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20959}}^1$

素因数の和:21022

約数の個数: 128

約数和(自身を含む): 5387558400

約数和(自身を除く): 3737665920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 320, 328, 384, 410, 480, 492, 615, 640, 656, 820, 960, 984, 1230, 1312, 1640, 1920, 1968, 2460, 2624, 3280, 3936, 4920, 5248, 6560, 7872, 9840, 13120, 15744, 19680, 20959, 26240, 39360, 41918, 62877, 78720, 83836, 104795, 125754, 167672, 209590, 251508, 314385, 335344, 419180, 503016, 628770, 670688, 838360, 859319, 1006032, 1257540, 1341376, 1676720, 1718638, 2012064, 2515080, 2577957, 2682752, 3353440, 3437276, 4024128, 4296595, 5030160, 5155914, 6706880, 6874552, 8048256, 8593190, 10060320, 10311828, 12889785, 13413760, 13749104, 17186380, 20120640, 20623656, 25779570, 27498208, 34372760, 40241280, 41247312, 51559140, 54996416, 68745520, 82494624, 103118280, 109992832, 137491040, 164989248, 206236560, 274982080, 329978496, 412473120, 549964160, 824946240, 1649892480]

約数ペア:

[(1, 1649892480), (2, 824946240), (3, 549964160), (4, 412473120), (5, 329978496), (6, 274982080), (8, 206236560), (10, 164989248), (12, 137491040), (15, 109992832), (16, 103118280), (20, 82494624), (24, 68745520), (30, 54996416), (32, 51559140), (40, 41247312), (41, 40241280), (48, 34372760), (60, 27498208), (64, 25779570), (80, 20623656), (82, 20120640), (96, 17186380), (120, 13749104), (123, 13413760), (128, 12889785), (160, 10311828), (164, 10060320), (192, 8593190), (205, 8048256), (240, 6874552), (246, 6706880), (320, 5155914), (328, 5030160), (384, 4296595), (410, 4024128), (480, 3437276), (492, 3353440), (615, 2682752), (640, 2577957), (656, 2515080), (820, 2012064), (960, 1718638), (984, 1676720), (1230, 1341376), (1312, 1257540), (1640, 1006032), (1920, 859319), (1968, 838360), (2460, 670688), (2624, 628770), (3280, 503016), (3936, 419180), (4920, 335344), (5248, 314385), (6560, 251508), (7872, 209590), (9840, 167672), (13120, 125754), (15744, 104795), (19680, 83836), (20959, 78720), (26240, 62877), (39360, 41918)]