2542590

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 80

約数和(自身を含む): 7091568

約数和(自身を除く): 4548978

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 73, 81, 86, 90, 129, 135, 146, 162, 215, 219, 258, 270, 365, 387, 405, 430, 438, 645, 657, 730, 774, 810, 1095, 1161, 1290, 1314, 1935, 1971, 2190, 2322, 3139, 3285, 3483, 3870, 3942, 5805, 5913, 6278, 6570, 6966, 9417, 9855, 11610, 11826, 15695, 17415, 18834, 19710, 28251, 29565, 31390, 34830, 47085, 56502, 59130, 84753, 94170, 141255, 169506, 254259, 282510, 423765, 508518, 847530, 1271295, 2542590]

約数ペア:

[(1, 2542590), (2, 1271295), (3, 847530), (5, 508518), (6, 423765), (9, 282510), (10, 254259), (15, 169506), (18, 141255), (27, 94170), (30, 84753), (43, 59130), (45, 56502), (54, 47085), (73, 34830), (81, 31390), (86, 29565), (90, 28251), (129, 19710), (135, 18834), (146, 17415), (162, 15695), (215, 11826), (219, 11610), (258, 9855), (270, 9417), (365, 6966), (387, 6570), (405, 6278), (430, 5913), (438, 5805), (645, 3942), (657, 3870), (730, 3483), (774, 3285), (810, 3139), (1095, 2322), (1161, 2190), (1290, 1971), (1314, 1935)]