156681440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1019}}^1$

素因数の和:1096

約数の個数: 72

約数和(自身を含む): 382861080

約数和(自身を除く): 226179640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1019, 1240, 1922, 2038, 2480, 3844, 4076, 4805, 4960, 5095, 7688, 8152, 9610, 10190, 15376, 16304, 19220, 20380, 30752, 31589, 32608, 38440, 40760, 63178, 76880, 81520, 126356, 153760, 157945, 163040, 252712, 315890, 505424, 631780, 979259, 1010848, 1263560, 1958518, 2527120, 3917036, 4896295, 5054240, 7834072, 9792590, 15668144, 19585180, 31336288, 39170360, 78340720, 156681440]

約数ペア:

[(1, 156681440), (2, 78340720), (4, 39170360), (5, 31336288), (8, 19585180), (10, 15668144), (16, 9792590), (20, 7834072), (31, 5054240), (32, 4896295), (40, 3917036), (62, 2527120), (80, 1958518), (124, 1263560), (155, 1010848), (160, 979259), (248, 631780), (310, 505424), (496, 315890), (620, 252712), (961, 163040), (992, 157945), (1019, 153760), (1240, 126356), (1922, 81520), (2038, 76880), (2480, 63178), (3844, 40760), (4076, 38440), (4805, 32608), (4960, 31589), (5095, 30752), (7688, 20380), (8152, 19220), (9610, 16304), (10190, 15376)]