80535680

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 209304000

約数和(自身を除く): 128768320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 128, 148, 152, 160, 179, 185, 190, 296, 304, 320, 358, 370, 380, 592, 608, 640, 703, 716, 740, 760, 895, 1184, 1216, 1406, 1432, 1480, 1520, 1790, 2368, 2432, 2812, 2864, 2960, 3040, 3401, 3515, 3580, 4736, 5624, 5728, 5920, 6080, 6623, 6802, 7030, 7160, 11248, 11456, 11840, 12160, 13246, 13604, 14060, 14320, 17005, 22496, 22912, 23680, 26492, 27208, 28120, 28640, 33115, 34010, 44992, 52984, 54416, 56240, 57280, 66230, 68020, 89984, 105968, 108832, 112480, 114560, 125837, 132460, 136040, 211936, 217664, 224960, 251674, 264920, 272080, 423872, 435328, 449920, 503348, 529840, 544160, 629185, 847744, 1006696, 1059680, 1088320, 1258370, 2013392, 2119360, 2176640, 2516740, 4026784, 4238720, 5033480, 8053568, 10066960, 16107136, 20133920, 40267840, 80535680]

約数ペア:

[(1, 80535680), (2, 40267840), (4, 20133920), (5, 16107136), (8, 10066960), (10, 8053568), (16, 5033480), (19, 4238720), (20, 4026784), (32, 2516740), (37, 2176640), (38, 2119360), (40, 2013392), (64, 1258370), (74, 1088320), (76, 1059680), (80, 1006696), (95, 847744), (128, 629185), (148, 544160), (152, 529840), (160, 503348), (179, 449920), (185, 435328), (190, 423872), (296, 272080), (304, 264920), (320, 251674), (358, 224960), (370, 217664), (380, 211936), (592, 136040), (608, 132460), (640, 125837), (703, 114560), (716, 112480), (740, 108832), (760, 105968), (895, 89984), (1184, 68020), (1216, 66230), (1406, 57280), (1432, 56240), (1480, 54416), (1520, 52984), (1790, 44992), (2368, 34010), (2432, 33115), (2812, 28640), (2864, 28120), (2960, 27208), (3040, 26492), (3401, 23680), (3515, 22912), (3580, 22496), (4736, 17005), (5624, 14320), (5728, 14060), (5920, 13604), (6080, 13246), (6623, 12160), (6802, 11840), (7030, 11456), (7160, 11248)]