64785420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 240

約数和(自身を含む): 241496640

約数和(自身を除く): 176711220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 81, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 162, 174, 180, 189, 197, 203, 210, 252, 261, 270, 290, 315, 324, 348, 378, 394, 405, 406, 420, 435, 522, 540, 567, 580, 591, 609, 630, 756, 783, 788, 810, 812, 870, 945, 985, 1015, 1044, 1134, 1182, 1218, 1260, 1305, 1379, 1566, 1620, 1740, 1773, 1827, 1890, 1970, 2030, 2268, 2349, 2364, 2436, 2610, 2758, 2835, 2955, 3045, 3132, 3546, 3654, 3780, 3915, 3940, 4060, 4137, 4698, 5220, 5319, 5481, 5516, 5670, 5713, 5910, 6090, 6895, 7092, 7308, 7830, 8274, 8865, 9135, 9396, 10638, 10962, 11340, 11426, 11745, 11820, 12180, 12411, 13790, 15660, 15957, 16443, 16548, 17139, 17730, 18270, 20685, 21276, 21924, 22852, 23490, 24822, 26595, 27405, 27580, 28565, 31914, 32886, 34278, 35460, 36540, 37233, 39991, 41370, 46980, 49644, 51417, 53190, 54810, 57130, 62055, 63828, 65772, 68556, 74466, 79785, 79982, 82215, 82740, 85695, 102834, 106380, 109620, 111699, 114260, 119973, 124110, 148932, 154251, 159570, 159964, 164430, 171390, 186165, 199955, 205668, 223398, 239946, 248220, 257085, 308502, 319140, 328860, 342780, 359919, 372330, 399910, 446796, 462753, 479892, 514170, 558495, 599865, 617004, 719838, 744660, 771255, 799820, 925506, 1028340, 1079757, 1116990, 1199730, 1439676, 1542510, 1799595, 1851012, 2159514, 2233980, 2313765, 2399460, 3085020, 3239271, 3599190, 4319028, 4627530, 5398785, 6478542, 7198380, 9255060, 10797570, 12957084, 16196355, 21595140, 32392710, 64785420]

約数ペア:

[(1, 64785420), (2, 32392710), (3, 21595140), (4, 16196355), (5, 12957084), (6, 10797570), (7, 9255060), (9, 7198380), (10, 6478542), (12, 5398785), (14, 4627530), (15, 4319028), (18, 3599190), (20, 3239271), (21, 3085020), (27, 2399460), (28, 2313765), (29, 2233980), (30, 2159514), (35, 1851012), (36, 1799595), (42, 1542510), (45, 1439676), (54, 1199730), (58, 1116990), (60, 1079757), (63, 1028340), (70, 925506), (81, 799820), (84, 771255), (87, 744660), (90, 719838), (105, 617004), (108, 599865), (116, 558495), (126, 514170), (135, 479892), (140, 462753), (145, 446796), (162, 399910), (174, 372330), (180, 359919), (189, 342780), (197, 328860), (203, 319140), (210, 308502), (252, 257085), (261, 248220), (270, 239946), (290, 223398), (315, 205668), (324, 199955), (348, 186165), (378, 171390), (394, 164430), (405, 159964), (406, 159570), (420, 154251), (435, 148932), (522, 124110), (540, 119973), (567, 114260), (580, 111699), (591, 109620), (609, 106380), (630, 102834), (756, 85695), (783, 82740), (788, 82215), (810, 79982), (812, 79785), (870, 74466), (945, 68556), (985, 65772), (1015, 63828), (1044, 62055), (1134, 57130), (1182, 54810), (1218, 53190), (1260, 51417), (1305, 49644), (1379, 46980), (1566, 41370), (1620, 39991), (1740, 37233), (1773, 36540), (1827, 35460), (1890, 34278), (1970, 32886), (2030, 31914), (2268, 28565), (2349, 27580), (2364, 27405), (2436, 26595), (2610, 24822), (2758, 23490), (2835, 22852), (2955, 21924), (3045, 21276), (3132, 20685), (3546, 18270), (3654, 17730), (3780, 17139), (3915, 16548), (3940, 16443), (4060, 15957), (4137, 15660), (4698, 13790), (5220, 12411), (5319, 12180), (5481, 11820), (5516, 11745), (5670, 11426), (5713, 11340), (5910, 10962), (6090, 10638), (6895, 9396), (7092, 9135), (7308, 8865), (7830, 8274)]