65781720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 160

約数和(自身を含む): 224769600

約数和(自身を除く): 158987880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 81, 90, 108, 120, 135, 158, 162, 180, 216, 237, 257, 270, 316, 324, 360, 395, 405, 474, 514, 540, 632, 648, 711, 771, 790, 810, 948, 1028, 1080, 1185, 1285, 1422, 1542, 1580, 1620, 1896, 2056, 2133, 2313, 2370, 2570, 2844, 3084, 3160, 3240, 3555, 3855, 4266, 4626, 4740, 5140, 5688, 6168, 6399, 6939, 7110, 7710, 8532, 9252, 9480, 10280, 10665, 11565, 12798, 13878, 14220, 15420, 17064, 18504, 20303, 20817, 21330, 23130, 25596, 27756, 28440, 30840, 31995, 34695, 40606, 41634, 42660, 46260, 51192, 55512, 60909, 63990, 69390, 81212, 83268, 85320, 92520, 101515, 104085, 121818, 127980, 138780, 162424, 166536, 182727, 203030, 208170, 243636, 255960, 277560, 304545, 365454, 406060, 416340, 487272, 548181, 609090, 730908, 812120, 832680, 913635, 1096362, 1218180, 1461816, 1644543, 1827270, 2192724, 2436360, 2740905, 3289086, 3654540, 4385448, 5481810, 6578172, 7309080, 8222715, 10963620, 13156344, 16445430, 21927240, 32890860, 65781720]

約数ペア:

[(1, 65781720), (2, 32890860), (3, 21927240), (4, 16445430), (5, 13156344), (6, 10963620), (8, 8222715), (9, 7309080), (10, 6578172), (12, 5481810), (15, 4385448), (18, 3654540), (20, 3289086), (24, 2740905), (27, 2436360), (30, 2192724), (36, 1827270), (40, 1644543), (45, 1461816), (54, 1218180), (60, 1096362), (72, 913635), (79, 832680), (81, 812120), (90, 730908), (108, 609090), (120, 548181), (135, 487272), (158, 416340), (162, 406060), (180, 365454), (216, 304545), (237, 277560), (257, 255960), (270, 243636), (316, 208170), (324, 203030), (360, 182727), (395, 166536), (405, 162424), (474, 138780), (514, 127980), (540, 121818), (632, 104085), (648, 101515), (711, 92520), (771, 85320), (790, 83268), (810, 81212), (948, 69390), (1028, 63990), (1080, 60909), (1185, 55512), (1285, 51192), (1422, 46260), (1542, 42660), (1580, 41634), (1620, 40606), (1896, 34695), (2056, 31995), (2133, 30840), (2313, 28440), (2370, 27756), (2570, 25596), (2844, 23130), (3084, 21330), (3160, 20817), (3240, 20303), (3555, 18504), (3855, 17064), (4266, 15420), (4626, 14220), (4740, 13878), (5140, 12798), (5688, 11565), (6168, 10665), (6399, 10280), (6939, 9480), (7110, 9252), (7710, 8532)]