78012120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 245975040

約数和(自身を除く): 167962920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 67, 93, 120, 124, 134, 155, 186, 201, 248, 268, 310, 313, 335, 372, 402, 465, 536, 620, 626, 670, 744, 804, 930, 939, 1005, 1240, 1252, 1340, 1565, 1608, 1860, 1878, 2010, 2077, 2504, 2680, 3130, 3720, 3756, 4020, 4154, 4695, 6231, 6260, 7512, 8040, 8308, 9390, 9703, 10385, 12462, 12520, 16616, 18780, 19406, 20770, 20971, 24924, 29109, 31155, 37560, 38812, 41540, 41942, 48515, 49848, 58218, 62310, 62913, 77624, 83080, 83884, 97030, 104855, 116436, 124620, 125826, 145545, 167768, 194060, 209710, 232872, 249240, 251652, 291090, 314565, 388120, 419420, 503304, 582180, 629130, 650101, 838840, 1164360, 1258260, 1300202, 1950303, 2516520, 2600404, 3250505, 3900606, 5200808, 6501010, 7801212, 9751515, 13002020, 15602424, 19503030, 26004040, 39006060, 78012120]

約数ペア:

[(1, 78012120), (2, 39006060), (3, 26004040), (4, 19503030), (5, 15602424), (6, 13002020), (8, 9751515), (10, 7801212), (12, 6501010), (15, 5200808), (20, 3900606), (24, 3250505), (30, 2600404), (31, 2516520), (40, 1950303), (60, 1300202), (62, 1258260), (67, 1164360), (93, 838840), (120, 650101), (124, 629130), (134, 582180), (155, 503304), (186, 419420), (201, 388120), (248, 314565), (268, 291090), (310, 251652), (313, 249240), (335, 232872), (372, 209710), (402, 194060), (465, 167768), (536, 145545), (620, 125826), (626, 124620), (670, 116436), (744, 104855), (804, 97030), (930, 83884), (939, 83080), (1005, 77624), (1240, 62913), (1252, 62310), (1340, 58218), (1565, 49848), (1608, 48515), (1860, 41942), (1878, 41540), (2010, 38812), (2077, 37560), (2504, 31155), (2680, 29109), (3130, 24924), (3720, 20971), (3756, 20770), (4020, 19406), (4154, 18780), (4695, 16616), (6231, 12520), (6260, 12462), (7512, 10385), (8040, 9703), (8308, 9390)]