69321880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1804

約数の個数: 64

約数和(自身を含む): 167378400

約数和(自身を除く): 98056520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 1721, 2014, 2120, 3442, 4028, 5035, 6884, 8056, 8605, 10070, 13768, 17210, 20140, 32699, 34420, 40280, 65398, 68840, 91213, 130796, 163495, 182426, 261592, 326990, 364852, 456065, 653980, 729704, 912130, 1307960, 1733047, 1824260, 3466094, 3648520, 6932188, 8665235, 13864376, 17330470, 34660940, 69321880]

約数ペア:

[(1, 69321880), (2, 34660940), (4, 17330470), (5, 13864376), (8, 8665235), (10, 6932188), (19, 3648520), (20, 3466094), (38, 1824260), (40, 1733047), (53, 1307960), (76, 912130), (95, 729704), (106, 653980), (152, 456065), (190, 364852), (212, 326990), (265, 261592), (380, 182426), (424, 163495), (530, 130796), (760, 91213), (1007, 68840), (1060, 65398), (1721, 40280), (2014, 34420), (2120, 32699), (3442, 20140), (4028, 17210), (5035, 13768), (6884, 10070), (8056, 8605)]