201639040

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:510

約数の個数: 128

約数和(自身を含む): 523480320

約数和(自身を除く): 321841280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 128, 136, 160, 170, 172, 215, 272, 320, 340, 344, 430, 431, 544, 640, 680, 688, 731, 860, 862, 1088, 1360, 1376, 1462, 1720, 1724, 2155, 2176, 2720, 2752, 2924, 3440, 3448, 3655, 4310, 5440, 5504, 5848, 6880, 6896, 7310, 7327, 8620, 10880, 11696, 13760, 13792, 14620, 14654, 17240, 18533, 23392, 27520, 27584, 29240, 29308, 34480, 36635, 37066, 46784, 55168, 58480, 58616, 68960, 73270, 74132, 92665, 93568, 116960, 117232, 137920, 146540, 148264, 185330, 233920, 234464, 275840, 293080, 296528, 315061, 370660, 467840, 468928, 586160, 593056, 630122, 741320, 937856, 1172320, 1186112, 1260244, 1482640, 1575305, 2344640, 2372224, 2520488, 2965280, 3150610, 4689280, 5040976, 5930560, 6301220, 10081952, 11861120, 12602440, 20163904, 25204880, 40327808, 50409760, 100819520, 201639040]

約数ペア:

[(1, 201639040), (2, 100819520), (4, 50409760), (5, 40327808), (8, 25204880), (10, 20163904), (16, 12602440), (17, 11861120), (20, 10081952), (32, 6301220), (34, 5930560), (40, 5040976), (43, 4689280), (64, 3150610), (68, 2965280), (80, 2520488), (85, 2372224), (86, 2344640), (128, 1575305), (136, 1482640), (160, 1260244), (170, 1186112), (172, 1172320), (215, 937856), (272, 741320), (320, 630122), (340, 593056), (344, 586160), (430, 468928), (431, 467840), (544, 370660), (640, 315061), (680, 296528), (688, 293080), (731, 275840), (860, 234464), (862, 233920), (1088, 185330), (1360, 148264), (1376, 146540), (1462, 137920), (1720, 117232), (1724, 116960), (2155, 93568), (2176, 92665), (2720, 74132), (2752, 73270), (2924, 68960), (3440, 58616), (3448, 58480), (3655, 55168), (4310, 46784), (5440, 37066), (5504, 36635), (5848, 34480), (6880, 29308), (6896, 29240), (7310, 27584), (7327, 27520), (8620, 23392), (10880, 18533), (11696, 17240), (13760, 14654), (13792, 14620)]