1968421280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:671

約数の個数: 192

約数和(自身を含む): 5632623360

約数和(自身を除く): 3664202080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 233, 266, 280, 304, 380, 397, 466, 532, 560, 608, 665, 760, 794, 932, 1064, 1120, 1165, 1330, 1520, 1588, 1631, 1864, 1985, 2128, 2330, 2660, 2779, 3040, 3176, 3262, 3728, 3970, 4256, 4427, 4660, 5320, 5558, 6352, 6524, 7456, 7543, 7940, 8155, 8854, 9320, 10640, 11116, 12704, 13048, 13895, 15086, 15880, 16310, 17708, 18640, 21280, 22135, 22232, 26096, 27790, 30172, 30989, 31760, 32620, 35416, 37280, 37715, 44270, 44464, 52192, 52801, 55580, 60344, 61978, 63520, 65240, 70832, 75430, 88540, 88928, 92501, 105602, 111160, 120688, 123956, 130480, 141664, 150860, 154945, 177080, 185002, 211204, 222320, 241376, 247912, 260960, 264005, 301720, 309890, 354160, 370004, 422408, 444640, 462505, 495824, 528010, 603440, 619780, 647507, 708320, 740008, 844816, 925010, 991648, 1056020, 1206880, 1239560, 1295014, 1480016, 1689632, 1757519, 1850020, 2112040, 2479120, 2590028, 2960032, 3237535, 3515038, 3700040, 4224080, 4958240, 5180056, 6475070, 7030076, 7400080, 8448160, 8787595, 10360112, 12302633, 12950140, 14060152, 14800160, 17575190, 20720224, 24605266, 25900280, 28120304, 35150380, 49210532, 51800560, 56240608, 61513165, 70300760, 98421064, 103601120, 123026330, 140601520, 196842128, 246052660, 281203040, 393684256, 492105320, 984210640, 1968421280]

約数ペア:

[(1, 1968421280), (2, 984210640), (4, 492105320), (5, 393684256), (7, 281203040), (8, 246052660), (10, 196842128), (14, 140601520), (16, 123026330), (19, 103601120), (20, 98421064), (28, 70300760), (32, 61513165), (35, 56240608), (38, 51800560), (40, 49210532), (56, 35150380), (70, 28120304), (76, 25900280), (80, 24605266), (95, 20720224), (112, 17575190), (133, 14800160), (140, 14060152), (152, 12950140), (160, 12302633), (190, 10360112), (224, 8787595), (233, 8448160), (266, 7400080), (280, 7030076), (304, 6475070), (380, 5180056), (397, 4958240), (466, 4224080), (532, 3700040), (560, 3515038), (608, 3237535), (665, 2960032), (760, 2590028), (794, 2479120), (932, 2112040), (1064, 1850020), (1120, 1757519), (1165, 1689632), (1330, 1480016), (1520, 1295014), (1588, 1239560), (1631, 1206880), (1864, 1056020), (1985, 991648), (2128, 925010), (2330, 844816), (2660, 740008), (2779, 708320), (3040, 647507), (3176, 619780), (3262, 603440), (3728, 528010), (3970, 495824), (4256, 462505), (4427, 444640), (4660, 422408), (5320, 370004), (5558, 354160), (6352, 309890), (6524, 301720), (7456, 264005), (7543, 260960), (7940, 247912), (8155, 241376), (8854, 222320), (9320, 211204), (10640, 185002), (11116, 177080), (12704, 154945), (13048, 150860), (13895, 141664), (15086, 130480), (15880, 123956), (16310, 120688), (17708, 111160), (18640, 105602), (21280, 92501), (22135, 88928), (22232, 88540), (26096, 75430), (27790, 70832), (30172, 65240), (30989, 63520), (31760, 61978), (32620, 60344), (35416, 55580), (37280, 52801), (37715, 52192), (44270, 44464)]