71555760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 261144000

約数和(自身を除く): 189588240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 29, 30, 36, 40, 45, 46, 48, 58, 60, 69, 72, 80, 87, 90, 92, 115, 116, 120, 138, 144, 145, 149, 174, 180, 184, 207, 230, 232, 240, 261, 276, 290, 298, 345, 348, 360, 368, 414, 435, 447, 460, 464, 522, 552, 580, 596, 667, 690, 696, 720, 745, 828, 870, 894, 920, 1035, 1044, 1104, 1160, 1192, 1305, 1334, 1341, 1380, 1392, 1490, 1656, 1740, 1788, 1840, 2001, 2070, 2088, 2235, 2320, 2384, 2610, 2668, 2682, 2760, 2980, 3312, 3335, 3427, 3480, 3576, 4002, 4140, 4176, 4321, 4470, 5220, 5336, 5364, 5520, 5960, 6003, 6670, 6705, 6854, 6960, 7152, 8004, 8280, 8642, 8940, 10005, 10281, 10440, 10672, 10728, 11920, 12006, 12963, 13340, 13410, 13708, 16008, 16560, 17135, 17284, 17880, 20010, 20562, 20880, 21456, 21605, 24012, 25926, 26680, 26820, 27416, 30015, 30843, 32016, 34270, 34568, 35760, 38889, 40020, 41124, 43210, 48024, 51405, 51852, 53360, 53640, 54832, 60030, 61686, 64815, 68540, 69136, 77778, 80040, 82248, 86420, 96048, 99383, 102810, 103704, 107280, 120060, 123372, 129630, 137080, 154215, 155556, 160080, 164496, 172840, 194445, 198766, 205620, 207408, 240120, 246744, 259260, 274160, 298149, 308430, 311112, 345680, 388890, 397532, 411240, 480240, 493488, 496915, 518520, 596298, 616860, 622224, 777780, 795064, 822480, 894447, 993830, 1037040, 1192596, 1233720, 1490745, 1555560, 1590128, 1788894, 1987660, 2385192, 2467440, 2981490, 3111120, 3577788, 3975320, 4472235, 4770384, 5962980, 7155576, 7950640, 8944470, 11925960, 14311152, 17888940, 23851920, 35777880, 71555760]

約数ペア:

[(1, 71555760), (2, 35777880), (3, 23851920), (4, 17888940), (5, 14311152), (6, 11925960), (8, 8944470), (9, 7950640), (10, 7155576), (12, 5962980), (15, 4770384), (16, 4472235), (18, 3975320), (20, 3577788), (23, 3111120), (24, 2981490), (29, 2467440), (30, 2385192), (36, 1987660), (40, 1788894), (45, 1590128), (46, 1555560), (48, 1490745), (58, 1233720), (60, 1192596), (69, 1037040), (72, 993830), (80, 894447), (87, 822480), (90, 795064), (92, 777780), (115, 622224), (116, 616860), (120, 596298), (138, 518520), (144, 496915), (145, 493488), (149, 480240), (174, 411240), (180, 397532), (184, 388890), (207, 345680), (230, 311112), (232, 308430), (240, 298149), (261, 274160), (276, 259260), (290, 246744), (298, 240120), (345, 207408), (348, 205620), (360, 198766), (368, 194445), (414, 172840), (435, 164496), (447, 160080), (460, 155556), (464, 154215), (522, 137080), (552, 129630), (580, 123372), (596, 120060), (667, 107280), (690, 103704), (696, 102810), (720, 99383), (745, 96048), (828, 86420), (870, 82248), (894, 80040), (920, 77778), (1035, 69136), (1044, 68540), (1104, 64815), (1160, 61686), (1192, 60030), (1305, 54832), (1334, 53640), (1341, 53360), (1380, 51852), (1392, 51405), (1490, 48024), (1656, 43210), (1740, 41124), (1788, 40020), (1840, 38889), (2001, 35760), (2070, 34568), (2088, 34270), (2235, 32016), (2320, 30843), (2384, 30015), (2610, 27416), (2668, 26820), (2682, 26680), (2760, 25926), (2980, 24012), (3312, 21605), (3335, 21456), (3427, 20880), (3480, 20562), (3576, 20010), (4002, 17880), (4140, 17284), (4176, 17135), (4321, 16560), (4470, 16008), (5220, 13708), (5336, 13410), (5364, 13340), (5520, 12963), (5960, 12006), (6003, 11920), (6670, 10728), (6705, 10672), (6854, 10440), (6960, 10281), (7152, 10005), (8004, 8940), (8280, 8642)]