28283640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3061}}^1$

素因数の和:3093

約数の個数: 128

約数和(自身を含む): 105822720

約数和(自身を除く): 77539080

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, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3061, 3080, 4620, 6122, 9183, 9240, 12244, 15305, 18366, 21427, 24488, 30610, 33671, 36732, 42854, 45915, 61220, 64281, 67342, 73464, 85708, 91830, 101013, 107135, 122440, 128562, 134684, 168355, 171416, 183660, 202026, 214270, 235697, 257124, 269368, 321405, 336710, 367320, 404052, 428540, 471394, 505065, 514248, 642810, 673420, 707091, 808104, 857080, 942788, 1010130, 1178485, 1285620, 1346840, 1414182, 1885576, 2020260, 2356970, 2571240, 2828364, 3535455, 4040520, 4713940, 5656728, 7070910, 9427880, 14141820, 28283640]

約数ペア:

[(1, 28283640), (2, 14141820), (3, 9427880), (4, 7070910), (5, 5656728), (6, 4713940), (7, 4040520), (8, 3535455), (10, 2828364), (11, 2571240), (12, 2356970), (14, 2020260), (15, 1885576), (20, 1414182), (21, 1346840), (22, 1285620), (24, 1178485), (28, 1010130), (30, 942788), (33, 857080), (35, 808104), (40, 707091), (42, 673420), (44, 642810), (55, 514248), (56, 505065), (60, 471394), (66, 428540), (70, 404052), (77, 367320), (84, 336710), (88, 321405), (105, 269368), (110, 257124), (120, 235697), (132, 214270), (140, 202026), (154, 183660), (165, 171416), (168, 168355), (210, 134684), (220, 128562), (231, 122440), (264, 107135), (280, 101013), (308, 91830), (330, 85708), (385, 73464), (420, 67342), (440, 64281), (462, 61220), (616, 45915), (660, 42854), (770, 36732), (840, 33671), (924, 30610), (1155, 24488), (1320, 21427), (1540, 18366), (1848, 15305), (2310, 12244), (3061, 9240), (3080, 9183), (4620, 6122)]