18156798840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{19531}}^1$

素因数の和:19733

約数の個数: 128

約数和(自身を含む): 55802142720

約数和(自身を除く): 37645343880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 127, 183, 244, 254, 305, 366, 381, 488, 508, 610, 635, 732, 762, 915, 1016, 1220, 1270, 1464, 1524, 1830, 1905, 2440, 2540, 3048, 3660, 3810, 5080, 7320, 7620, 7747, 15240, 15494, 19531, 23241, 30988, 38735, 39062, 46482, 58593, 61976, 77470, 78124, 92964, 97655, 116205, 117186, 154940, 156248, 185928, 195310, 232410, 234372, 292965, 309880, 390620, 464820, 468744, 585930, 781240, 929640, 1171860, 1191391, 2343720, 2382782, 2480437, 3574173, 4765564, 4960874, 5956955, 7148346, 7441311, 9531128, 9921748, 11913910, 12402185, 14296692, 14882622, 17870865, 19843496, 23827820, 24804370, 28593384, 29765244, 35741730, 37206555, 47655640, 49608740, 59530488, 71483460, 74413110, 99217480, 142966920, 148826220, 151306657, 297652440, 302613314, 453919971, 605226628, 756533285, 907839942, 1210453256, 1513066570, 1815679884, 2269599855, 3026133140, 3631359768, 4539199710, 6052266280, 9078399420, 18156798840]

約数ペア:

[(1, 18156798840), (2, 9078399420), (3, 6052266280), (4, 4539199710), (5, 3631359768), (6, 3026133140), (8, 2269599855), (10, 1815679884), (12, 1513066570), (15, 1210453256), (20, 907839942), (24, 756533285), (30, 605226628), (40, 453919971), (60, 302613314), (61, 297652440), (120, 151306657), (122, 148826220), (127, 142966920), (183, 99217480), (244, 74413110), (254, 71483460), (305, 59530488), (366, 49608740), (381, 47655640), (488, 37206555), (508, 35741730), (610, 29765244), (635, 28593384), (732, 24804370), (762, 23827820), (915, 19843496), (1016, 17870865), (1220, 14882622), (1270, 14296692), (1464, 12402185), (1524, 11913910), (1830, 9921748), (1905, 9531128), (2440, 7441311), (2540, 7148346), (3048, 5956955), (3660, 4960874), (3810, 4765564), (5080, 3574173), (7320, 2480437), (7620, 2382782), (7747, 2343720), (15240, 1191391), (15494, 1171860), (19531, 929640), (23241, 781240), (30988, 585930), (38735, 468744), (39062, 464820), (46482, 390620), (58593, 309880), (61976, 292965), (77470, 234372), (78124, 232410), (92964, 195310), (97655, 185928), (116205, 156248), (117186, 154940)]