64991780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 167650560

約数和(自身を除く): 102658780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 53, 70, 76, 95, 106, 133, 140, 190, 212, 265, 266, 371, 380, 461, 530, 532, 665, 742, 922, 1007, 1060, 1330, 1484, 1844, 1855, 2014, 2305, 2660, 3227, 3710, 4028, 4610, 5035, 6454, 7049, 7420, 8759, 9220, 10070, 12908, 14098, 16135, 17518, 20140, 24433, 28196, 32270, 35036, 35245, 43795, 48866, 61313, 64540, 70490, 87590, 97732, 122165, 122626, 140980, 171031, 175180, 244330, 245252, 306565, 342062, 464227, 488660, 613130, 684124, 855155, 928454, 1226260, 1710310, 1856908, 2321135, 3249589, 3420620, 4642270, 6499178, 9284540, 12998356, 16247945, 32495890, 64991780]

約数ペア:

[(1, 64991780), (2, 32495890), (4, 16247945), (5, 12998356), (7, 9284540), (10, 6499178), (14, 4642270), (19, 3420620), (20, 3249589), (28, 2321135), (35, 1856908), (38, 1710310), (53, 1226260), (70, 928454), (76, 855155), (95, 684124), (106, 613130), (133, 488660), (140, 464227), (190, 342062), (212, 306565), (265, 245252), (266, 244330), (371, 175180), (380, 171031), (461, 140980), (530, 122626), (532, 122165), (665, 97732), (742, 87590), (922, 70490), (1007, 64540), (1060, 61313), (1330, 48866), (1484, 43795), (1844, 35245), (1855, 35036), (2014, 32270), (2305, 28196), (2660, 24433), (3227, 20140), (3710, 17518), (4028, 16135), (4610, 14098), (5035, 12908), (6454, 10070), (7049, 9220), (7420, 8759)]