489720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:85

約数の個数: 128

約数和(自身を含む): 1866240

約数和(自身を除く): 1376520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 53, 55, 56, 60, 66, 70, 77, 84, 88, 105, 106, 110, 120, 132, 140, 154, 159, 165, 168, 210, 212, 220, 231, 264, 265, 280, 308, 318, 330, 371, 385, 420, 424, 440, 462, 530, 583, 616, 636, 660, 742, 770, 795, 840, 924, 1060, 1113, 1155, 1166, 1272, 1320, 1484, 1540, 1590, 1749, 1848, 1855, 2120, 2226, 2310, 2332, 2915, 2968, 3080, 3180, 3498, 3710, 4081, 4452, 4620, 4664, 5565, 5830, 6360, 6996, 7420, 8162, 8745, 8904, 9240, 11130, 11660, 12243, 13992, 14840, 16324, 17490, 20405, 22260, 23320, 24486, 32648, 34980, 40810, 44520, 48972, 61215, 69960, 81620, 97944, 122430, 163240, 244860, 489720]

約数ペア:

[(1, 489720), (2, 244860), (3, 163240), (4, 122430), (5, 97944), (6, 81620), (7, 69960), (8, 61215), (10, 48972), (11, 44520), (12, 40810), (14, 34980), (15, 32648), (20, 24486), (21, 23320), (22, 22260), (24, 20405), (28, 17490), (30, 16324), (33, 14840), (35, 13992), (40, 12243), (42, 11660), (44, 11130), (53, 9240), (55, 8904), (56, 8745), (60, 8162), (66, 7420), (70, 6996), (77, 6360), (84, 5830), (88, 5565), (105, 4664), (106, 4620), (110, 4452), (120, 4081), (132, 3710), (140, 3498), (154, 3180), (159, 3080), (165, 2968), (168, 2915), (210, 2332), (212, 2310), (220, 2226), (231, 2120), (264, 1855), (265, 1848), (280, 1749), (308, 1590), (318, 1540), (330, 1484), (371, 1320), (385, 1272), (420, 1166), (424, 1155), (440, 1113), (462, 1060), (530, 924), (583, 840), (616, 795), (636, 770), (660, 742)]