1561401360

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:725

約数の個数: 280

約数和(自身を含む): 5584189464

約数和(自身を除く): 4022788104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 41, 45, 48, 54, 60, 72, 80, 81, 82, 90, 108, 120, 123, 135, 144, 162, 164, 180, 205, 216, 240, 243, 246, 270, 324, 328, 360, 369, 405, 410, 432, 486, 492, 540, 615, 648, 653, 656, 720, 729, 738, 810, 820, 972, 984, 1080, 1107, 1215, 1230, 1296, 1306, 1458, 1476, 1620, 1640, 1845, 1944, 1959, 1968, 2160, 2214, 2430, 2460, 2612, 2916, 2952, 3240, 3265, 3280, 3321, 3645, 3690, 3888, 3918, 4428, 4860, 4920, 5224, 5535, 5832, 5877, 5904, 6480, 6530, 6642, 7290, 7380, 7836, 8856, 9720, 9795, 9840, 9963, 10448, 11070, 11664, 11754, 13060, 13284, 14580, 14760, 15672, 16605, 17631, 17712, 19440, 19590, 19926, 22140, 23508, 26120, 26568, 26773, 29160, 29385, 29520, 29889, 31344, 33210, 35262, 39180, 39852, 44280, 47016, 49815, 52240, 52893, 53136, 53546, 58320, 58770, 59778, 66420, 70524, 78360, 79704, 80319, 88155, 88560, 94032, 99630, 105786, 107092, 117540, 119556, 132840, 133865, 141048, 149445, 156720, 158679, 159408, 160638, 176310, 199260, 211572, 214184, 235080, 239112, 240957, 264465, 265680, 267730, 282096, 298890, 317358, 321276, 352620, 398520, 401595, 423144, 428368, 470160, 476037, 478224, 481914, 528930, 535460, 597780, 634716, 642552, 705240, 722871, 793395, 797040, 803190, 846288, 952074, 963828, 1057860, 1070920, 1195560, 1204785, 1269432, 1285104, 1410480, 1445742, 1586790, 1606380, 1904148, 1927656, 2115720, 2141840, 2168613, 2380185, 2391120, 2409570, 2538864, 2891484, 3173580, 3212760, 3614355, 3808296, 3855312, 4231440, 4337226, 4760370, 4819140, 5782968, 6347160, 6425520, 6505839, 7228710, 7616592, 8674452, 9520740, 9638280, 10843065, 11565936, 12694320, 13011678, 14457420, 17348904, 19041480, 19276560, 19517517, 21686130, 26023356, 28914840, 32529195, 34697808, 38082960, 39035034, 43372260, 52046712, 57829680, 65058390, 78070068, 86744520, 97587585, 104093424, 130116780, 156140136, 173489040, 195175170, 260233560, 312280272, 390350340, 520467120, 780700680, 1561401360]

約数ペア:

[(1, 1561401360), (2, 780700680), (3, 520467120), (4, 390350340), (5, 312280272), (6, 260233560), (8, 195175170), (9, 173489040), (10, 156140136), (12, 130116780), (15, 104093424), (16, 97587585), (18, 86744520), (20, 78070068), (24, 65058390), (27, 57829680), (30, 52046712), (36, 43372260), (40, 39035034), (41, 38082960), (45, 34697808), (48, 32529195), (54, 28914840), (60, 26023356), (72, 21686130), (80, 19517517), (81, 19276560), (82, 19041480), (90, 17348904), (108, 14457420), (120, 13011678), (123, 12694320), (135, 11565936), (144, 10843065), (162, 9638280), (164, 9520740), (180, 8674452), (205, 7616592), (216, 7228710), (240, 6505839), (243, 6425520), (246, 6347160), (270, 5782968), (324, 4819140), (328, 4760370), (360, 4337226), (369, 4231440), (405, 3855312), (410, 3808296), (432, 3614355), (486, 3212760), (492, 3173580), (540, 2891484), (615, 2538864), (648, 2409570), (653, 2391120), (656, 2380185), (720, 2168613), (729, 2141840), (738, 2115720), (810, 1927656), (820, 1904148), (972, 1606380), (984, 1586790), (1080, 1445742), (1107, 1410480), (1215, 1285104), (1230, 1269432), (1296, 1204785), (1306, 1195560), (1458, 1070920), (1476, 1057860), (1620, 963828), (1640, 952074), (1845, 846288), (1944, 803190), (1959, 797040), (1968, 793395), (2160, 722871), (2214, 705240), (2430, 642552), (2460, 634716), (2612, 597780), (2916, 535460), (2952, 528930), (3240, 481914), (3265, 478224), (3280, 476037), (3321, 470160), (3645, 428368), (3690, 423144), (3888, 401595), (3918, 398520), (4428, 352620), (4860, 321276), (4920, 317358), (5224, 298890), (5535, 282096), (5832, 267730), (5877, 265680), (5904, 264465), (6480, 240957), (6530, 239112), (6642, 235080), (7290, 214184), (7380, 211572), (7836, 199260), (8856, 176310), (9720, 160638), (9795, 159408), (9840, 158679), (9963, 156720), (10448, 149445), (11070, 141048), (11664, 133865), (11754, 132840), (13060, 119556), (13284, 117540), (14580, 107092), (14760, 105786), (15672, 99630), (16605, 94032), (17631, 88560), (17712, 88155), (19440, 80319), (19590, 79704), (19926, 78360), (22140, 70524), (23508, 66420), (26120, 59778), (26568, 58770), (26773, 58320), (29160, 53546), (29385, 53136), (29520, 52893), (29889, 52240), (31344, 49815), (33210, 47016), (35262, 44280), (39180, 39852)]