131236560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2003}}^1$

素因数の和:2042

約数の個数: 240

約数和(自身を含む): 542715264

約数和(自身を除く): 411478704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2003, 2184, 2340, 2520, 2730, 3120, 3276, 3640, 4006, 4095, 4368, 4680, 5040, 5460, 6009, 6552, 7280, 8012, 8190, 9360, 10015, 10920, 12018, 13104, 14021, 16024, 16380, 18027, 20030, 21840, 24036, 26039, 28042, 30045, 32048, 32760, 36054, 40060, 42063, 48072, 52078, 56084, 60090, 65520, 70105, 72108, 78117, 80120, 84126, 90135, 96144, 104156, 112168, 120180, 126189, 130195, 140210, 144216, 156234, 160240, 168252, 180270, 182273, 208312, 210315, 224336, 234351, 240360, 252378, 260390, 280420, 288432, 312468, 336504, 360540, 364546, 390585, 416624, 420630, 468702, 480720, 504756, 520780, 546819, 560840, 624936, 630945, 673008, 721080, 729092, 781170, 841260, 911365, 937404, 1009512, 1041560, 1093638, 1121680, 1171755, 1249872, 1261890, 1442160, 1458184, 1562340, 1640457, 1682520, 1822730, 1874808, 2019024, 2083120, 2187276, 2343510, 2523780, 2734095, 2916368, 3124680, 3280914, 3365040, 3645460, 3749616, 4374552, 4687020, 5047560, 5468190, 6249360, 6561828, 7290920, 8202285, 8749104, 9374040, 10095120, 10936380, 13123656, 14581840, 16404570, 18748080, 21872760, 26247312, 32809140, 43745520, 65618280, 131236560]

約数ペア:

[(1, 131236560), (2, 65618280), (3, 43745520), (4, 32809140), (5, 26247312), (6, 21872760), (7, 18748080), (8, 16404570), (9, 14581840), (10, 13123656), (12, 10936380), (13, 10095120), (14, 9374040), (15, 8749104), (16, 8202285), (18, 7290920), (20, 6561828), (21, 6249360), (24, 5468190), (26, 5047560), (28, 4687020), (30, 4374552), (35, 3749616), (36, 3645460), (39, 3365040), (40, 3280914), (42, 3124680), (45, 2916368), (48, 2734095), (52, 2523780), (56, 2343510), (60, 2187276), (63, 2083120), (65, 2019024), (70, 1874808), (72, 1822730), (78, 1682520), (80, 1640457), (84, 1562340), (90, 1458184), (91, 1442160), (104, 1261890), (105, 1249872), (112, 1171755), (117, 1121680), (120, 1093638), (126, 1041560), (130, 1009512), (140, 937404), (144, 911365), (156, 841260), (168, 781170), (180, 729092), (182, 721080), (195, 673008), (208, 630945), (210, 624936), (234, 560840), (240, 546819), (252, 520780), (260, 504756), (273, 480720), (280, 468702), (312, 420630), (315, 416624), (336, 390585), (360, 364546), (364, 360540), (390, 336504), (420, 312468), (455, 288432), (468, 280420), (504, 260390), (520, 252378), (546, 240360), (560, 234351), (585, 224336), (624, 210315), (630, 208312), (720, 182273), (728, 180270), (780, 168252), (819, 160240), (840, 156234), (910, 144216), (936, 140210), (1008, 130195), (1040, 126189), (1092, 120180), (1170, 112168), (1260, 104156), (1365, 96144), (1456, 90135), (1560, 84126), (1638, 80120), (1680, 78117), (1820, 72108), (1872, 70105), (2003, 65520), (2184, 60090), (2340, 56084), (2520, 52078), (2730, 48072), (3120, 42063), (3276, 40060), (3640, 36054), (4006, 32760), (4095, 32048), (4368, 30045), (4680, 28042), (5040, 26039), (5460, 24036), (6009, 21840), (6552, 20030), (7280, 18027), (8012, 16380), (8190, 16024), (9360, 14021), (10015, 13104), (10920, 12018)]