78471990

素因数分解:

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

素因数の和:816

約数の個数: 96

約数和(自身を含む): 216792576

約数和(自身を除く): 138320586

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 81, 86, 90, 129, 135, 162, 215, 243, 258, 270, 387, 405, 430, 486, 645, 751, 774, 810, 1161, 1215, 1290, 1502, 1935, 2253, 2322, 2430, 3483, 3755, 3870, 4506, 5805, 6759, 6966, 7510, 10449, 11265, 11610, 13518, 17415, 20277, 20898, 22530, 32293, 33795, 34830, 40554, 52245, 60831, 64586, 67590, 96879, 101385, 104490, 121662, 161465, 182493, 193758, 202770, 290637, 304155, 322930, 364986, 484395, 581274, 608310, 871911, 912465, 968790, 1453185, 1743822, 1824930, 2615733, 2906370, 4359555, 5231466, 7847199, 8719110, 13078665, 15694398, 26157330, 39235995, 78471990]

約数ペア:

[(1, 78471990), (2, 39235995), (3, 26157330), (5, 15694398), (6, 13078665), (9, 8719110), (10, 7847199), (15, 5231466), (18, 4359555), (27, 2906370), (30, 2615733), (43, 1824930), (45, 1743822), (54, 1453185), (81, 968790), (86, 912465), (90, 871911), (129, 608310), (135, 581274), (162, 484395), (215, 364986), (243, 322930), (258, 304155), (270, 290637), (387, 202770), (405, 193758), (430, 182493), (486, 161465), (645, 121662), (751, 104490), (774, 101385), (810, 96879), (1161, 67590), (1215, 64586), (1290, 60831), (1502, 52245), (1935, 40554), (2253, 34830), (2322, 33795), (2430, 32293), (3483, 22530), (3755, 20898), (3870, 20277), (4506, 17415), (5805, 13518), (6759, 11610), (6966, 11265), (7510, 10449)]