157883920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 388903680

約数和(自身を除く): 231019760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 241, 304, 380, 431, 482, 760, 862, 964, 1205, 1520, 1724, 1928, 2155, 2410, 3448, 3856, 4310, 4579, 4820, 6896, 8189, 8620, 9158, 9640, 16378, 17240, 18316, 19280, 22895, 32756, 34480, 36632, 40945, 45790, 65512, 73264, 81890, 91580, 103871, 131024, 163780, 183160, 207742, 327560, 366320, 415484, 519355, 655120, 830968, 1038710, 1661936, 1973549, 2077420, 3947098, 4154840, 7894196, 8309680, 9867745, 15788392, 19735490, 31576784, 39470980, 78941960, 157883920]

約数ペア:

[(1, 157883920), (2, 78941960), (4, 39470980), (5, 31576784), (8, 19735490), (10, 15788392), (16, 9867745), (19, 8309680), (20, 7894196), (38, 4154840), (40, 3947098), (76, 2077420), (80, 1973549), (95, 1661936), (152, 1038710), (190, 830968), (241, 655120), (304, 519355), (380, 415484), (431, 366320), (482, 327560), (760, 207742), (862, 183160), (964, 163780), (1205, 131024), (1520, 103871), (1724, 91580), (1928, 81890), (2155, 73264), (2410, 65512), (3448, 45790), (3856, 40945), (4310, 36632), (4579, 34480), (4820, 32756), (6896, 22895), (8189, 19280), (8620, 18316), (9158, 17240), (9640, 16378)]