28748340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2707}}^1$

素因数の和:2781

約数の個数: 72

約数和(自身を含む): 88714080

約数和(自身を除く): 59965740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 2707, 3540, 5310, 5414, 8121, 10620, 10828, 13535, 16242, 24363, 27070, 32484, 40605, 48726, 54140, 81210, 97452, 121815, 159713, 162420, 243630, 319426, 479139, 487260, 638852, 798565, 958278, 1437417, 1597130, 1916556, 2395695, 2874834, 3194260, 4791390, 5749668, 7187085, 9582780, 14374170, 28748340]

約数ペア:

[(1, 28748340), (2, 14374170), (3, 9582780), (4, 7187085), (5, 5749668), (6, 4791390), (9, 3194260), (10, 2874834), (12, 2395695), (15, 1916556), (18, 1597130), (20, 1437417), (30, 958278), (36, 798565), (45, 638852), (59, 487260), (60, 479139), (90, 319426), (118, 243630), (177, 162420), (180, 159713), (236, 121815), (295, 97452), (354, 81210), (531, 54140), (590, 48726), (708, 40605), (885, 32484), (1062, 27070), (1180, 24363), (1770, 16242), (2124, 13535), (2655, 10828), (2707, 10620), (3540, 8121), (5310, 5414)]