66883880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4507}}^1$

素因数の和:4578

約数の個数: 64

約数和(自身を含む): 175271040

約数和(自身を除く): 108387160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 4507, 7420, 9014, 14840, 18028, 22535, 31549, 36056, 45070, 63098, 90140, 126196, 157745, 180280, 238871, 252392, 315490, 477742, 630980, 955484, 1194355, 1261960, 1672097, 1910968, 2388710, 3344194, 4777420, 6688388, 8360485, 9554840, 13376776, 16720970, 33441940, 66883880]

約数ペア:

[(1, 66883880), (2, 33441940), (4, 16720970), (5, 13376776), (7, 9554840), (8, 8360485), (10, 6688388), (14, 4777420), (20, 3344194), (28, 2388710), (35, 1910968), (40, 1672097), (53, 1261960), (56, 1194355), (70, 955484), (106, 630980), (140, 477742), (212, 315490), (265, 252392), (280, 238871), (371, 180280), (424, 157745), (530, 126196), (742, 90140), (1060, 63098), (1484, 45070), (1855, 36056), (2120, 31549), (2968, 22535), (3710, 18028), (4507, 14840), (7420, 9014)]