156943980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:818

約数の個数: 144

約数和(自身を含む): 505849344

約数和(自身を除く): 348905364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 243, 258, 270, 324, 387, 405, 430, 486, 516, 540, 645, 751, 774, 810, 860, 972, 1161, 1215, 1290, 1502, 1548, 1620, 1935, 2253, 2322, 2430, 2580, 3004, 3483, 3755, 3870, 4506, 4644, 4860, 5805, 6759, 6966, 7510, 7740, 9012, 10449, 11265, 11610, 13518, 13932, 15020, 17415, 20277, 20898, 22530, 23220, 27036, 32293, 33795, 34830, 40554, 41796, 45060, 52245, 60831, 64586, 67590, 69660, 81108, 96879, 101385, 104490, 121662, 129172, 135180, 161465, 182493, 193758, 202770, 208980, 243324, 290637, 304155, 322930, 364986, 387516, 405540, 484395, 581274, 608310, 645860, 729972, 871911, 912465, 968790, 1162548, 1216620, 1453185, 1743822, 1824930, 1937580, 2615733, 2906370, 3487644, 3649860, 4359555, 5231466, 5812740, 7847199, 8719110, 10462932, 13078665, 15694398, 17438220, 26157330, 31388796, 39235995, 52314660, 78471990, 156943980]

約数ペア:

[(1, 156943980), (2, 78471990), (3, 52314660), (4, 39235995), (5, 31388796), (6, 26157330), (9, 17438220), (10, 15694398), (12, 13078665), (15, 10462932), (18, 8719110), (20, 7847199), (27, 5812740), (30, 5231466), (36, 4359555), (43, 3649860), (45, 3487644), (54, 2906370), (60, 2615733), (81, 1937580), (86, 1824930), (90, 1743822), (108, 1453185), (129, 1216620), (135, 1162548), (162, 968790), (172, 912465), (180, 871911), (215, 729972), (243, 645860), (258, 608310), (270, 581274), (324, 484395), (387, 405540), (405, 387516), (430, 364986), (486, 322930), (516, 304155), (540, 290637), (645, 243324), (751, 208980), (774, 202770), (810, 193758), (860, 182493), (972, 161465), (1161, 135180), (1215, 129172), (1290, 121662), (1502, 104490), (1548, 101385), (1620, 96879), (1935, 81108), (2253, 69660), (2322, 67590), (2430, 64586), (2580, 60831), (3004, 52245), (3483, 45060), (3755, 41796), (3870, 40554), (4506, 34830), (4644, 33795), (4860, 32293), (5805, 27036), (6759, 23220), (6966, 22530), (7510, 20898), (7740, 20277), (9012, 17415), (10449, 15020), (11265, 13932), (11610, 13518)]