2051815320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{99991}}^1$

素因数の和:100030

約数の個数: 128

約数和(自身を含む): 7199424000

約数和(自身を除く): 5147608680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 99991, 199982, 299973, 399964, 499955, 599946, 799928, 899919, 999910, 1199892, 1499865, 1799838, 1899829, 1999820, 2399784, 2699757, 2999730, 3599676, 3799658, 3999640, 4499595, 5399514, 5699487, 5999460, 7199352, 7599316, 8999190, 9499145, 10799028, 11398974, 11998920, 13498785, 15198632, 17098461, 17998380, 18998290, 21598056, 22797948, 26997570, 28497435, 34196922, 35996760, 37996580, 45595896, 51295383, 53995140, 56994870, 68393844, 75993160, 85492305, 102590766, 107990280, 113989740, 136787688, 170984610, 205181532, 227979480, 256476915, 341969220, 410363064, 512953830, 683938440, 1025907660, 2051815320]

約数ペア:

[(1, 2051815320), (2, 1025907660), (3, 683938440), (4, 512953830), (5, 410363064), (6, 341969220), (8, 256476915), (9, 227979480), (10, 205181532), (12, 170984610), (15, 136787688), (18, 113989740), (19, 107990280), (20, 102590766), (24, 85492305), (27, 75993160), (30, 68393844), (36, 56994870), (38, 53995140), (40, 51295383), (45, 45595896), (54, 37996580), (57, 35996760), (60, 34196922), (72, 28497435), (76, 26997570), (90, 22797948), (95, 21598056), (108, 18998290), (114, 17998380), (120, 17098461), (135, 15198632), (152, 13498785), (171, 11998920), (180, 11398974), (190, 10799028), (216, 9499145), (228, 8999190), (270, 7599316), (285, 7199352), (342, 5999460), (360, 5699487), (380, 5399514), (456, 4499595), (513, 3999640), (540, 3799658), (570, 3599676), (684, 2999730), (760, 2699757), (855, 2399784), (1026, 1999820), (1080, 1899829), (1140, 1799838), (1368, 1499865), (1710, 1199892), (2052, 999910), (2280, 899919), (2565, 799928), (3420, 599946), (4104, 499955), (5130, 399964), (6840, 299973), (10260, 199982), (20520, 99991)]