154776780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19997}}^1$

素因数の和:20055

約数の個数: 72

約数和(自身を含む): 480431952

約数和(自身を除く): 325655172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 19997, 39994, 59991, 79988, 99985, 119982, 179973, 199970, 239964, 299955, 359946, 399940, 599910, 719892, 859871, 899865, 1199820, 1719742, 1799730, 2579613, 3439484, 3599460, 4299355, 5159226, 7738839, 8598710, 10318452, 12898065, 15477678, 17197420, 25796130, 30955356, 38694195, 51592260, 77388390, 154776780]

約数ペア:

[(1, 154776780), (2, 77388390), (3, 51592260), (4, 38694195), (5, 30955356), (6, 25796130), (9, 17197420), (10, 15477678), (12, 12898065), (15, 10318452), (18, 8598710), (20, 7738839), (30, 5159226), (36, 4299355), (43, 3599460), (45, 3439484), (60, 2579613), (86, 1799730), (90, 1719742), (129, 1199820), (172, 899865), (180, 859871), (215, 719892), (258, 599910), (387, 399940), (430, 359946), (516, 299955), (645, 239964), (774, 199970), (860, 179973), (1290, 119982), (1548, 99985), (1935, 79988), (2580, 59991), (3870, 39994), (7740, 19997)]