7412720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 120

約数和(自身を含む): 21034368

約数和(自身を除く): 13621648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 61, 62, 70, 80, 98, 112, 122, 124, 140, 155, 196, 217, 244, 245, 248, 280, 305, 310, 392, 427, 434, 488, 490, 496, 560, 610, 620, 784, 854, 868, 976, 980, 1085, 1220, 1240, 1519, 1708, 1736, 1891, 1960, 2135, 2170, 2440, 2480, 2989, 3038, 3416, 3472, 3782, 3920, 4270, 4340, 4880, 5978, 6076, 6832, 7564, 7595, 8540, 8680, 9455, 11956, 12152, 13237, 14945, 15128, 15190, 17080, 17360, 18910, 23912, 24304, 26474, 29890, 30256, 30380, 34160, 37820, 47824, 52948, 59780, 60760, 66185, 75640, 92659, 105896, 119560, 121520, 132370, 151280, 185318, 211792, 239120, 264740, 370636, 463295, 529480, 741272, 926590, 1058960, 1482544, 1853180, 3706360, 7412720]

約数ペア:

[(1, 7412720), (2, 3706360), (4, 1853180), (5, 1482544), (7, 1058960), (8, 926590), (10, 741272), (14, 529480), (16, 463295), (20, 370636), (28, 264740), (31, 239120), (35, 211792), (40, 185318), (49, 151280), (56, 132370), (61, 121520), (62, 119560), (70, 105896), (80, 92659), (98, 75640), (112, 66185), (122, 60760), (124, 59780), (140, 52948), (155, 47824), (196, 37820), (217, 34160), (244, 30380), (245, 30256), (248, 29890), (280, 26474), (305, 24304), (310, 23912), (392, 18910), (427, 17360), (434, 17080), (488, 15190), (490, 15128), (496, 14945), (560, 13237), (610, 12152), (620, 11956), (784, 9455), (854, 8680), (868, 8540), (976, 7595), (980, 7564), (1085, 6832), (1220, 6076), (1240, 5978), (1519, 4880), (1708, 4340), (1736, 4270), (1891, 3920), (1960, 3782), (2135, 3472), (2170, 3416), (2440, 3038), (2480, 2989)]