26151720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 90685440

約数和(自身を除く): 64533720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 163, 168, 191, 210, 280, 326, 382, 420, 489, 573, 652, 764, 815, 840, 955, 978, 1141, 1146, 1304, 1337, 1528, 1630, 1910, 1956, 2282, 2292, 2445, 2674, 2865, 3260, 3423, 3820, 3912, 4011, 4564, 4584, 4890, 5348, 5705, 5730, 6520, 6685, 6846, 7640, 8022, 9128, 9780, 10696, 11410, 11460, 13370, 13692, 16044, 17115, 19560, 20055, 22820, 22920, 26740, 27384, 31133, 32088, 34230, 40110, 45640, 53480, 62266, 68460, 80220, 93399, 124532, 136920, 155665, 160440, 186798, 217931, 249064, 311330, 373596, 435862, 466995, 622660, 653793, 747192, 871724, 933990, 1089655, 1245320, 1307586, 1743448, 1867980, 2179310, 2615172, 3268965, 3735960, 4358620, 5230344, 6537930, 8717240, 13075860, 26151720]

約数ペア:

[(1, 26151720), (2, 13075860), (3, 8717240), (4, 6537930), (5, 5230344), (6, 4358620), (7, 3735960), (8, 3268965), (10, 2615172), (12, 2179310), (14, 1867980), (15, 1743448), (20, 1307586), (21, 1245320), (24, 1089655), (28, 933990), (30, 871724), (35, 747192), (40, 653793), (42, 622660), (56, 466995), (60, 435862), (70, 373596), (84, 311330), (105, 249064), (120, 217931), (140, 186798), (163, 160440), (168, 155665), (191, 136920), (210, 124532), (280, 93399), (326, 80220), (382, 68460), (420, 62266), (489, 53480), (573, 45640), (652, 40110), (764, 34230), (815, 32088), (840, 31133), (955, 27384), (978, 26740), (1141, 22920), (1146, 22820), (1304, 20055), (1337, 19560), (1528, 17115), (1630, 16044), (1910, 13692), (1956, 13370), (2282, 11460), (2292, 11410), (2445, 10696), (2674, 9780), (2865, 9128), (3260, 8022), (3423, 7640), (3820, 6846), (3912, 6685), (4011, 6520), (4564, 5730), (4584, 5705), (4890, 5348)]