54687720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 172846080

約数和(自身を除く): 118158360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 120, 122, 124, 155, 183, 186, 241, 244, 248, 305, 310, 366, 372, 465, 482, 488, 610, 620, 723, 732, 744, 915, 930, 964, 1205, 1220, 1240, 1446, 1464, 1830, 1860, 1891, 1928, 2410, 2440, 2892, 3615, 3660, 3720, 3782, 4820, 5673, 5784, 7230, 7320, 7471, 7564, 9455, 9640, 11346, 14460, 14701, 14942, 15128, 18910, 22413, 22692, 28365, 28920, 29402, 29884, 37355, 37820, 44103, 44826, 45384, 56730, 58804, 59768, 73505, 74710, 75640, 88206, 89652, 112065, 113460, 117608, 147010, 149420, 176412, 179304, 220515, 224130, 226920, 294020, 298840, 352824, 441030, 448260, 455731, 588040, 882060, 896520, 911462, 1367193, 1764120, 1822924, 2278655, 2734386, 3645848, 4557310, 5468772, 6835965, 9114620, 10937544, 13671930, 18229240, 27343860, 54687720]

約数ペア:

[(1, 54687720), (2, 27343860), (3, 18229240), (4, 13671930), (5, 10937544), (6, 9114620), (8, 6835965), (10, 5468772), (12, 4557310), (15, 3645848), (20, 2734386), (24, 2278655), (30, 1822924), (31, 1764120), (40, 1367193), (60, 911462), (61, 896520), (62, 882060), (93, 588040), (120, 455731), (122, 448260), (124, 441030), (155, 352824), (183, 298840), (186, 294020), (241, 226920), (244, 224130), (248, 220515), (305, 179304), (310, 176412), (366, 149420), (372, 147010), (465, 117608), (482, 113460), (488, 112065), (610, 89652), (620, 88206), (723, 75640), (732, 74710), (744, 73505), (915, 59768), (930, 58804), (964, 56730), (1205, 45384), (1220, 44826), (1240, 44103), (1446, 37820), (1464, 37355), (1830, 29884), (1860, 29402), (1891, 28920), (1928, 28365), (2410, 22692), (2440, 22413), (2892, 18910), (3615, 15128), (3660, 14942), (3720, 14701), (3782, 14460), (4820, 11346), (5673, 9640), (5784, 9455), (7230, 7564), (7320, 7471)]