641888280

素因数分解:

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

素因数の和:863

約数の個数: 256

約数和(自身を含む): 2370124800

約数和(自身を除く): 1728236520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 71, 72, 88, 90, 99, 108, 110, 120, 132, 135, 142, 165, 180, 198, 213, 216, 220, 264, 270, 284, 297, 330, 355, 360, 396, 426, 440, 495, 540, 568, 594, 639, 660, 710, 761, 781, 792, 852, 990, 1065, 1080, 1188, 1278, 1320, 1420, 1485, 1522, 1562, 1704, 1917, 1980, 2130, 2283, 2343, 2376, 2556, 2840, 2970, 3044, 3124, 3195, 3805, 3834, 3905, 3960, 4260, 4566, 4686, 5112, 5940, 6088, 6248, 6390, 6849, 7029, 7610, 7668, 7810, 8371, 8520, 9132, 9372, 9585, 11415, 11715, 11880, 12780, 13698, 14058, 15220, 15336, 15620, 16742, 18264, 18744, 19170, 20547, 21087, 22830, 23430, 25113, 25560, 27396, 28116, 30440, 31240, 33484, 34245, 35145, 38340, 41094, 41855, 42174, 45660, 46860, 50226, 54031, 54792, 56232, 66968, 68490, 70290, 75339, 76680, 82188, 83710, 84348, 91320, 93720, 100452, 102735, 105435, 108062, 125565, 136980, 140580, 150678, 162093, 164376, 167420, 168696, 200904, 205470, 210870, 216124, 226017, 251130, 270155, 273960, 281160, 301356, 324186, 334840, 376695, 410940, 421740, 432248, 452034, 486279, 502260, 540310, 594341, 602712, 648372, 753390, 810465, 821880, 843480, 904068, 972558, 1004520, 1080620, 1130085, 1188682, 1296744, 1458837, 1506780, 1620930, 1783023, 1808136, 1945116, 2161240, 2260170, 2377364, 2431395, 2917674, 2971705, 3013560, 3241860, 3566046, 3890232, 4520340, 4754728, 4862790, 5349069, 5835348, 5943410, 6483720, 7132092, 7294185, 8915115, 9040680, 9725580, 10698138, 11670696, 11886820, 14264184, 14588370, 16047207, 17830230, 19451160, 21396276, 23773640, 26745345, 29176740, 32094414, 35660460, 42792552, 53490690, 58353480, 64188828, 71320920, 80236035, 106981380, 128377656, 160472070, 213962760, 320944140, 641888280]

約数ペア:

[(1, 641888280), (2, 320944140), (3, 213962760), (4, 160472070), (5, 128377656), (6, 106981380), (8, 80236035), (9, 71320920), (10, 64188828), (11, 58353480), (12, 53490690), (15, 42792552), (18, 35660460), (20, 32094414), (22, 29176740), (24, 26745345), (27, 23773640), (30, 21396276), (33, 19451160), (36, 17830230), (40, 16047207), (44, 14588370), (45, 14264184), (54, 11886820), (55, 11670696), (60, 10698138), (66, 9725580), (71, 9040680), (72, 8915115), (88, 7294185), (90, 7132092), (99, 6483720), (108, 5943410), (110, 5835348), (120, 5349069), (132, 4862790), (135, 4754728), (142, 4520340), (165, 3890232), (180, 3566046), (198, 3241860), (213, 3013560), (216, 2971705), (220, 2917674), (264, 2431395), (270, 2377364), (284, 2260170), (297, 2161240), (330, 1945116), (355, 1808136), (360, 1783023), (396, 1620930), (426, 1506780), (440, 1458837), (495, 1296744), (540, 1188682), (568, 1130085), (594, 1080620), (639, 1004520), (660, 972558), (710, 904068), (761, 843480), (781, 821880), (792, 810465), (852, 753390), (990, 648372), (1065, 602712), (1080, 594341), (1188, 540310), (1278, 502260), (1320, 486279), (1420, 452034), (1485, 432248), (1522, 421740), (1562, 410940), (1704, 376695), (1917, 334840), (1980, 324186), (2130, 301356), (2283, 281160), (2343, 273960), (2376, 270155), (2556, 251130), (2840, 226017), (2970, 216124), (3044, 210870), (3124, 205470), (3195, 200904), (3805, 168696), (3834, 167420), (3905, 164376), (3960, 162093), (4260, 150678), (4566, 140580), (4686, 136980), (5112, 125565), (5940, 108062), (6088, 105435), (6248, 102735), (6390, 100452), (6849, 93720), (7029, 91320), (7610, 84348), (7668, 83710), (7810, 82188), (8371, 76680), (8520, 75339), (9132, 70290), (9372, 68490), (9585, 66968), (11415, 56232), (11715, 54792), (11880, 54031), (12780, 50226), (13698, 46860), (14058, 45660), (15220, 42174), (15336, 41855), (15620, 41094), (16742, 38340), (18264, 35145), (18744, 34245), (19170, 33484), (20547, 31240), (21087, 30440), (22830, 28116), (23430, 27396), (25113, 25560)]