71320920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:857

約数の個数: 128

約数和(自身を含む): 237012480

約数和(自身を除く): 165691560

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, 568, 660, 710, 761, 781, 852, 1065, 1320, 1420, 1522, 1562, 1704, 2130, 2283, 2343, 2840, 3044, 3124, 3805, 3905, 4260, 4566, 4686, 6088, 6248, 7610, 7810, 8371, 8520, 9132, 9372, 11415, 11715, 15220, 15620, 16742, 18264, 18744, 22830, 23430, 25113, 30440, 31240, 33484, 41855, 45660, 46860, 50226, 54031, 66968, 83710, 91320, 93720, 100452, 108062, 125565, 162093, 167420, 200904, 216124, 251130, 270155, 324186, 334840, 432248, 502260, 540310, 594341, 648372, 810465, 1004520, 1080620, 1188682, 1296744, 1620930, 1783023, 2161240, 2377364, 2971705, 3241860, 3566046, 4754728, 5943410, 6483720, 7132092, 8915115, 11886820, 14264184, 17830230, 23773640, 35660460, 71320920]

約数ペア:

[(1, 71320920), (2, 35660460), (3, 23773640), (4, 17830230), (5, 14264184), (6, 11886820), (8, 8915115), (10, 7132092), (11, 6483720), (12, 5943410), (15, 4754728), (20, 3566046), (22, 3241860), (24, 2971705), (30, 2377364), (33, 2161240), (40, 1783023), (44, 1620930), (55, 1296744), (60, 1188682), (66, 1080620), (71, 1004520), (88, 810465), (110, 648372), (120, 594341), (132, 540310), (142, 502260), (165, 432248), (213, 334840), (220, 324186), (264, 270155), (284, 251130), (330, 216124), (355, 200904), (426, 167420), (440, 162093), (568, 125565), (660, 108062), (710, 100452), (761, 93720), (781, 91320), (852, 83710), (1065, 66968), (1320, 54031), (1420, 50226), (1522, 46860), (1562, 45660), (1704, 41855), (2130, 33484), (2283, 31240), (2343, 30440), (2840, 25113), (3044, 23430), (3124, 22830), (3805, 18744), (3905, 18264), (4260, 16742), (4566, 15620), (4686, 15220), (6088, 11715), (6248, 11415), (7610, 9372), (7810, 9132), (8371, 8520)]