281127840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2699}}^1$

素因数の和:2755

約数の個数: 192

約数和(自身を含む): 1045094400

約数和(自身を除く): 763966560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 310, 336, 372, 420, 434, 465, 480, 496, 560, 620, 651, 672, 744, 840, 868, 930, 992, 1085, 1120, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 2699, 2976, 3255, 3360, 3472, 3720, 4340, 4960, 5208, 5398, 6510, 6944, 7440, 8097, 8680, 10416, 10796, 13020, 13495, 14880, 16194, 17360, 18893, 20832, 21592, 26040, 26990, 32388, 34720, 37786, 40485, 43184, 52080, 53980, 56679, 64776, 75572, 80970, 83669, 86368, 94465, 104160, 107960, 113358, 129552, 151144, 161940, 167338, 188930, 215920, 226716, 251007, 259104, 283395, 302288, 323880, 334676, 377860, 418345, 431840, 453432, 502014, 566790, 585683, 604576, 647760, 669352, 755720, 836690, 906864, 1004028, 1133580, 1171366, 1255035, 1295520, 1338704, 1511440, 1673380, 1757049, 1813728, 2008056, 2267160, 2342732, 2510070, 2677408, 2928415, 3022880, 3346760, 3514098, 4016112, 4534320, 4685464, 5020140, 5856830, 6693520, 7028196, 8032224, 8785245, 9068640, 9370928, 10040280, 11713660, 13387040, 14056392, 17570490, 18741856, 20080560, 23427320, 28112784, 35140980, 40161120, 46854640, 56225568, 70281960, 93709280, 140563920, 281127840]

約数ペア:

[(1, 281127840), (2, 140563920), (3, 93709280), (4, 70281960), (5, 56225568), (6, 46854640), (7, 40161120), (8, 35140980), (10, 28112784), (12, 23427320), (14, 20080560), (15, 18741856), (16, 17570490), (20, 14056392), (21, 13387040), (24, 11713660), (28, 10040280), (30, 9370928), (31, 9068640), (32, 8785245), (35, 8032224), (40, 7028196), (42, 6693520), (48, 5856830), (56, 5020140), (60, 4685464), (62, 4534320), (70, 4016112), (80, 3514098), (84, 3346760), (93, 3022880), (96, 2928415), (105, 2677408), (112, 2510070), (120, 2342732), (124, 2267160), (140, 2008056), (155, 1813728), (160, 1757049), (168, 1673380), (186, 1511440), (210, 1338704), (217, 1295520), (224, 1255035), (240, 1171366), (248, 1133580), (280, 1004028), (310, 906864), (336, 836690), (372, 755720), (420, 669352), (434, 647760), (465, 604576), (480, 585683), (496, 566790), (560, 502014), (620, 453432), (651, 431840), (672, 418345), (744, 377860), (840, 334676), (868, 323880), (930, 302288), (992, 283395), (1085, 259104), (1120, 251007), (1240, 226716), (1302, 215920), (1488, 188930), (1680, 167338), (1736, 161940), (1860, 151144), (2170, 129552), (2480, 113358), (2604, 107960), (2699, 104160), (2976, 94465), (3255, 86368), (3360, 83669), (3472, 80970), (3720, 75572), (4340, 64776), (4960, 56679), (5208, 53980), (5398, 52080), (6510, 43184), (6944, 40485), (7440, 37786), (8097, 34720), (8680, 32388), (10416, 26990), (10796, 26040), (13020, 21592), (13495, 20832), (14880, 18893), (16194, 17360)]