245735560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:671

約数の個数: 128

約数和(自身を含む): 667180800

約数和(自身を除く): 421445240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 53, 56, 58, 70, 106, 116, 140, 145, 203, 212, 232, 265, 280, 290, 371, 406, 424, 530, 571, 580, 742, 812, 1015, 1060, 1142, 1160, 1484, 1537, 1624, 1855, 2030, 2120, 2284, 2855, 2968, 3074, 3710, 3997, 4060, 4568, 5710, 6148, 7420, 7685, 7994, 8120, 10759, 11420, 12296, 14840, 15370, 15988, 16559, 19985, 21518, 22840, 30263, 30740, 31976, 33118, 39970, 43036, 53795, 60526, 61480, 66236, 79940, 82795, 86072, 107590, 115913, 121052, 132472, 151315, 159880, 165590, 211841, 215180, 231826, 242104, 302630, 331180, 423682, 430360, 463652, 579565, 605260, 662360, 847364, 877627, 927304, 1059205, 1159130, 1210520, 1694728, 1755254, 2118410, 2318260, 3510508, 4236820, 4388135, 4636520, 6143389, 7021016, 8473640, 8776270, 12286778, 17552540, 24573556, 30716945, 35105080, 49147112, 61433890, 122867780, 245735560]

約数ペア:

[(1, 245735560), (2, 122867780), (4, 61433890), (5, 49147112), (7, 35105080), (8, 30716945), (10, 24573556), (14, 17552540), (20, 12286778), (28, 8776270), (29, 8473640), (35, 7021016), (40, 6143389), (53, 4636520), (56, 4388135), (58, 4236820), (70, 3510508), (106, 2318260), (116, 2118410), (140, 1755254), (145, 1694728), (203, 1210520), (212, 1159130), (232, 1059205), (265, 927304), (280, 877627), (290, 847364), (371, 662360), (406, 605260), (424, 579565), (530, 463652), (571, 430360), (580, 423682), (742, 331180), (812, 302630), (1015, 242104), (1060, 231826), (1142, 215180), (1160, 211841), (1484, 165590), (1537, 159880), (1624, 151315), (1855, 132472), (2030, 121052), (2120, 115913), (2284, 107590), (2855, 86072), (2968, 82795), (3074, 79940), (3710, 66236), (3997, 61480), (4060, 60526), (4568, 53795), (5710, 43036), (6148, 39970), (7420, 33118), (7685, 31976), (7994, 30740), (8120, 30263), (10759, 22840), (11420, 21518), (12296, 19985), (14840, 16559), (15370, 15988)]