1728492780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{178933}}^1$

素因数の和:178975

約数の個数: 96

約数和(自身を含む): 5771695104

約数和(自身を除く): 4043202324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 9660, 178933, 357866, 536799, 715732, 894665, 1073598, 1252531, 1789330, 2147196, 2505062, 2683995, 3578660, 3757593, 4115459, 5010124, 5367990, 6262655, 7515186, 8230918, 10735980, 12346377, 12525310, 15030372, 16461836, 18787965, 20577295, 24692754, 25050620, 28808213, 37575930, 41154590, 49385508, 57616426, 61731885, 75151860, 82309180, 86424639, 115232852, 123463770, 144041065, 172849278, 246927540, 288082130, 345698556, 432123195, 576164260, 864246390, 1728492780]

約数ペア:

[(1, 1728492780), (2, 864246390), (3, 576164260), (4, 432123195), (5, 345698556), (6, 288082130), (7, 246927540), (10, 172849278), (12, 144041065), (14, 123463770), (15, 115232852), (20, 86424639), (21, 82309180), (23, 75151860), (28, 61731885), (30, 57616426), (35, 49385508), (42, 41154590), (46, 37575930), (60, 28808213), (69, 25050620), (70, 24692754), (84, 20577295), (92, 18787965), (105, 16461836), (115, 15030372), (138, 12525310), (140, 12346377), (161, 10735980), (210, 8230918), (230, 7515186), (276, 6262655), (322, 5367990), (345, 5010124), (420, 4115459), (460, 3757593), (483, 3578660), (644, 2683995), (690, 2505062), (805, 2147196), (966, 1789330), (1380, 1252531), (1610, 1073598), (1932, 894665), (2415, 715732), (3220, 536799), (4830, 357866), (9660, 178933)]