15913440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 144

約数和(自身を含む): 55783728

約数和(自身を除く): 39870288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 257, 258, 288, 344, 360, 387, 430, 480, 514, 516, 645, 688, 720, 771, 774, 860, 1028, 1032, 1285, 1290, 1376, 1440, 1542, 1548, 1720, 1935, 2056, 2064, 2313, 2570, 2580, 3084, 3096, 3440, 3855, 3870, 4112, 4128, 4626, 5140, 5160, 6168, 6192, 6880, 7710, 7740, 8224, 9252, 10280, 10320, 11051, 11565, 12336, 12384, 15420, 15480, 18504, 20560, 20640, 22102, 23130, 24672, 30840, 30960, 33153, 37008, 41120, 44204, 46260, 55255, 61680, 61920, 66306, 74016, 88408, 92520, 99459, 110510, 123360, 132612, 165765, 176816, 185040, 198918, 221020, 265224, 331530, 353632, 370080, 397836, 442040, 497295, 530448, 663060, 795672, 884080, 994590, 1060896, 1326120, 1591344, 1768160, 1989180, 2652240, 3182688, 3978360, 5304480, 7956720, 15913440]

約数ペア:

[(1, 15913440), (2, 7956720), (3, 5304480), (4, 3978360), (5, 3182688), (6, 2652240), (8, 1989180), (9, 1768160), (10, 1591344), (12, 1326120), (15, 1060896), (16, 994590), (18, 884080), (20, 795672), (24, 663060), (30, 530448), (32, 497295), (36, 442040), (40, 397836), (43, 370080), (45, 353632), (48, 331530), (60, 265224), (72, 221020), (80, 198918), (86, 185040), (90, 176816), (96, 165765), (120, 132612), (129, 123360), (144, 110510), (160, 99459), (172, 92520), (180, 88408), (215, 74016), (240, 66306), (257, 61920), (258, 61680), (288, 55255), (344, 46260), (360, 44204), (387, 41120), (430, 37008), (480, 33153), (514, 30960), (516, 30840), (645, 24672), (688, 23130), (720, 22102), (771, 20640), (774, 20560), (860, 18504), (1028, 15480), (1032, 15420), (1285, 12384), (1290, 12336), (1376, 11565), (1440, 11051), (1542, 10320), (1548, 10280), (1720, 9252), (1935, 8224), (2056, 7740), (2064, 7710), (2313, 6880), (2570, 6192), (2580, 6168), (3084, 5160), (3096, 5140), (3440, 4626), (3855, 4128), (3870, 4112)]