15840651640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{953}}^1\times {\mathrm{1021}}^1$

素因数の和:2033

約数の個数: 128

約数和(自身を含む): 40013507520

約数和(自身を除く): 24172855880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 953, 1021, 1480, 1628, 1906, 2035, 2042, 3256, 3812, 4070, 4084, 4765, 5105, 7624, 8140, 8168, 9530, 10210, 10483, 11231, 16280, 19060, 20420, 20966, 22462, 35261, 37777, 38120, 40840, 41932, 44924, 52415, 56155, 70522, 75554, 83864, 89848, 104830, 112310, 141044, 151108, 176305, 188885, 209660, 224620, 282088, 302216, 352610, 377770, 387871, 415547, 419320, 449240, 705220, 755540, 775742, 831094, 973013, 1410440, 1511080, 1551484, 1662188, 1939355, 1946026, 2077735, 3102968, 3324376, 3878710, 3892052, 4155470, 4865065, 7757420, 7784104, 8310940, 9730130, 10703143, 15514840, 16621880, 19460260, 21406286, 36001481, 38920520, 42812572, 53515715, 72002962, 85625144, 107031430, 144005924, 180007405, 214062860, 288011848, 360014810, 396016291, 428125720, 720029620, 792032582, 1440059240, 1584065164, 1980081455, 3168130328, 3960162910, 7920325820, 15840651640]

約数ペア:

[(1, 15840651640), (2, 7920325820), (4, 3960162910), (5, 3168130328), (8, 1980081455), (10, 1584065164), (11, 1440059240), (20, 792032582), (22, 720029620), (37, 428125720), (40, 396016291), (44, 360014810), (55, 288011848), (74, 214062860), (88, 180007405), (110, 144005924), (148, 107031430), (185, 85625144), (220, 72002962), (296, 53515715), (370, 42812572), (407, 38920520), (440, 36001481), (740, 21406286), (814, 19460260), (953, 16621880), (1021, 15514840), (1480, 10703143), (1628, 9730130), (1906, 8310940), (2035, 7784104), (2042, 7757420), (3256, 4865065), (3812, 4155470), (4070, 3892052), (4084, 3878710), (4765, 3324376), (5105, 3102968), (7624, 2077735), (8140, 1946026), (8168, 1939355), (9530, 1662188), (10210, 1551484), (10483, 1511080), (11231, 1410440), (16280, 973013), (19060, 831094), (20420, 775742), (20966, 755540), (22462, 705220), (35261, 449240), (37777, 419320), (38120, 415547), (40840, 387871), (41932, 377770), (44924, 352610), (52415, 302216), (56155, 282088), (70522, 224620), (75554, 209660), (83864, 188885), (89848, 176305), (104830, 151108), (112310, 141044)]