76982920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:244

約数の個数: 128

約数和(自身を含む): 209664000

約数和(自身を除く): 132681080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 181, 196, 217, 245, 248, 280, 310, 343, 362, 392, 434, 490, 620, 686, 724, 868, 905, 980, 1085, 1240, 1267, 1372, 1448, 1519, 1715, 1736, 1810, 1960, 2170, 2534, 2744, 3038, 3430, 3620, 4340, 5068, 5611, 6076, 6335, 6860, 7240, 7595, 8680, 8869, 10136, 10633, 11222, 12152, 12670, 13720, 15190, 17738, 21266, 22444, 25340, 28055, 30380, 35476, 39277, 42532, 44345, 44888, 50680, 53165, 56110, 60760, 62083, 70952, 78554, 85064, 88690, 106330, 112220, 124166, 157108, 177380, 196385, 212660, 224440, 248332, 274939, 310415, 314216, 354760, 392770, 425320, 496664, 549878, 620830, 785540, 1099756, 1241660, 1374695, 1571080, 1924573, 2199512, 2483320, 2749390, 3849146, 5498780, 7698292, 9622865, 10997560, 15396584, 19245730, 38491460, 76982920]

約数ペア:

[(1, 76982920), (2, 38491460), (4, 19245730), (5, 15396584), (7, 10997560), (8, 9622865), (10, 7698292), (14, 5498780), (20, 3849146), (28, 2749390), (31, 2483320), (35, 2199512), (40, 1924573), (49, 1571080), (56, 1374695), (62, 1241660), (70, 1099756), (98, 785540), (124, 620830), (140, 549878), (155, 496664), (181, 425320), (196, 392770), (217, 354760), (245, 314216), (248, 310415), (280, 274939), (310, 248332), (343, 224440), (362, 212660), (392, 196385), (434, 177380), (490, 157108), (620, 124166), (686, 112220), (724, 106330), (868, 88690), (905, 85064), (980, 78554), (1085, 70952), (1240, 62083), (1267, 60760), (1372, 56110), (1448, 53165), (1519, 50680), (1715, 44888), (1736, 44345), (1810, 42532), (1960, 39277), (2170, 35476), (2534, 30380), (2744, 28055), (3038, 25340), (3430, 22444), (3620, 21266), (4340, 17738), (5068, 15190), (5611, 13720), (6076, 12670), (6335, 12152), (6860, 11222), (7240, 10633), (7595, 10136), (8680, 8869)]