2979240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 10177920

約数和(自身を除く): 7198680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 37, 40, 44, 55, 60, 61, 66, 74, 88, 110, 111, 120, 122, 132, 148, 165, 183, 185, 220, 222, 244, 264, 296, 305, 330, 366, 370, 407, 440, 444, 488, 555, 610, 660, 671, 732, 740, 814, 888, 915, 1110, 1220, 1221, 1320, 1342, 1464, 1480, 1628, 1830, 2013, 2035, 2220, 2257, 2440, 2442, 2684, 3256, 3355, 3660, 4026, 4070, 4440, 4514, 4884, 5368, 6105, 6710, 6771, 7320, 8052, 8140, 9028, 9768, 10065, 11285, 12210, 13420, 13542, 16104, 16280, 18056, 20130, 22570, 24420, 24827, 26840, 27084, 33855, 40260, 45140, 48840, 49654, 54168, 67710, 74481, 80520, 90280, 99308, 124135, 135420, 148962, 198616, 248270, 270840, 297924, 372405, 496540, 595848, 744810, 993080, 1489620, 2979240]

約数ペア:

[(1, 2979240), (2, 1489620), (3, 993080), (4, 744810), (5, 595848), (6, 496540), (8, 372405), (10, 297924), (11, 270840), (12, 248270), (15, 198616), (20, 148962), (22, 135420), (24, 124135), (30, 99308), (33, 90280), (37, 80520), (40, 74481), (44, 67710), (55, 54168), (60, 49654), (61, 48840), (66, 45140), (74, 40260), (88, 33855), (110, 27084), (111, 26840), (120, 24827), (122, 24420), (132, 22570), (148, 20130), (165, 18056), (183, 16280), (185, 16104), (220, 13542), (222, 13420), (244, 12210), (264, 11285), (296, 10065), (305, 9768), (330, 9028), (366, 8140), (370, 8052), (407, 7320), (440, 6771), (444, 6710), (488, 6105), (555, 5368), (610, 4884), (660, 4514), (671, 4440), (732, 4070), (740, 4026), (814, 3660), (888, 3355), (915, 3256), (1110, 2684), (1220, 2442), (1221, 2440), (1320, 2257), (1342, 2220), (1464, 2035), (1480, 2013), (1628, 1830)]