42080280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:545

約数の個数: 128

約数和(自身を含む): 139968000

約数和(自身を除く): 97887720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 110, 120, 132, 142, 165, 213, 220, 264, 284, 330, 355, 426, 440, 449, 568, 660, 710, 781, 852, 898, 1065, 1320, 1347, 1420, 1562, 1704, 1796, 2130, 2245, 2343, 2694, 2840, 3124, 3592, 3905, 4260, 4490, 4686, 4939, 5388, 6248, 6735, 7810, 8520, 8980, 9372, 9878, 10776, 11715, 13470, 14817, 15620, 17960, 18744, 19756, 23430, 24695, 26940, 29634, 31240, 31879, 39512, 46860, 49390, 53880, 59268, 63758, 74085, 93720, 95637, 98780, 118536, 127516, 148170, 159395, 191274, 197560, 255032, 296340, 318790, 350669, 382548, 478185, 592680, 637580, 701338, 765096, 956370, 1052007, 1275160, 1402676, 1753345, 1912740, 2104014, 2805352, 3506690, 3825480, 4208028, 5260035, 7013380, 8416056, 10520070, 14026760, 21040140, 42080280]

約数ペア:

[(1, 42080280), (2, 21040140), (3, 14026760), (4, 10520070), (5, 8416056), (6, 7013380), (8, 5260035), (10, 4208028), (11, 3825480), (12, 3506690), (15, 2805352), (20, 2104014), (22, 1912740), (24, 1753345), (30, 1402676), (33, 1275160), (40, 1052007), (44, 956370), (55, 765096), (60, 701338), (66, 637580), (71, 592680), (88, 478185), (110, 382548), (120, 350669), (132, 318790), (142, 296340), (165, 255032), (213, 197560), (220, 191274), (264, 159395), (284, 148170), (330, 127516), (355, 118536), (426, 98780), (440, 95637), (449, 93720), (568, 74085), (660, 63758), (710, 59268), (781, 53880), (852, 49390), (898, 46860), (1065, 39512), (1320, 31879), (1347, 31240), (1420, 29634), (1562, 26940), (1704, 24695), (1796, 23430), (2130, 19756), (2245, 18744), (2343, 17960), (2694, 15620), (2840, 14817), (3124, 13470), (3592, 11715), (3905, 10776), (4260, 9878), (4490, 9372), (4686, 8980), (4939, 8520), (5388, 7810), (6248, 6735)]