28653480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:680

約数の個数: 128

約数和(自身を含む): 97891200

約数和(自身を除く): 69237720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 90, 108, 120, 129, 135, 172, 180, 215, 216, 258, 270, 344, 360, 387, 430, 516, 540, 617, 645, 774, 860, 1032, 1080, 1161, 1234, 1290, 1548, 1720, 1851, 1935, 2322, 2468, 2580, 3085, 3096, 3702, 3870, 4644, 4936, 5160, 5553, 5805, 6170, 7404, 7740, 9255, 9288, 11106, 11610, 12340, 14808, 15480, 16659, 18510, 22212, 23220, 24680, 26531, 27765, 33318, 37020, 44424, 46440, 53062, 55530, 66636, 74040, 79593, 83295, 106124, 111060, 132655, 133272, 159186, 166590, 212248, 222120, 238779, 265310, 318372, 333180, 397965, 477558, 530620, 636744, 666360, 716337, 795930, 955116, 1061240, 1193895, 1432674, 1591860, 1910232, 2387790, 2865348, 3183720, 3581685, 4775580, 5730696, 7163370, 9551160, 14326740, 28653480]

約数ペア:

[(1, 28653480), (2, 14326740), (3, 9551160), (4, 7163370), (5, 5730696), (6, 4775580), (8, 3581685), (9, 3183720), (10, 2865348), (12, 2387790), (15, 1910232), (18, 1591860), (20, 1432674), (24, 1193895), (27, 1061240), (30, 955116), (36, 795930), (40, 716337), (43, 666360), (45, 636744), (54, 530620), (60, 477558), (72, 397965), (86, 333180), (90, 318372), (108, 265310), (120, 238779), (129, 222120), (135, 212248), (172, 166590), (180, 159186), (215, 133272), (216, 132655), (258, 111060), (270, 106124), (344, 83295), (360, 79593), (387, 74040), (430, 66636), (516, 55530), (540, 53062), (617, 46440), (645, 44424), (774, 37020), (860, 33318), (1032, 27765), (1080, 26531), (1161, 24680), (1234, 23220), (1290, 22212), (1548, 18510), (1720, 16659), (1851, 15480), (1935, 14808), (2322, 12340), (2468, 11610), (2580, 11106), (3085, 9288), (3096, 9255), (3702, 7740), (3870, 7404), (4644, 6170), (4936, 5805), (5160, 5553)]