1681789680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1$

素因数の和:700

約数の個数: 240

約数和(自身を含む): 5880576000

約数和(自身を除く): 4198786320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 151, 155, 180, 186, 240, 248, 279, 302, 310, 360, 372, 453, 465, 496, 499, 558, 604, 620, 720, 744, 755, 906, 930, 998, 1116, 1208, 1240, 1359, 1395, 1488, 1497, 1510, 1812, 1860, 1996, 2232, 2265, 2416, 2480, 2495, 2718, 2790, 2994, 3020, 3624, 3720, 3992, 4464, 4491, 4530, 4681, 4990, 5436, 5580, 5988, 6040, 6795, 7248, 7440, 7485, 7984, 8982, 9060, 9362, 9980, 10872, 11160, 11976, 12080, 13590, 14043, 14970, 15469, 17964, 18120, 18724, 19960, 21744, 22320, 22455, 23405, 23952, 27180, 28086, 29940, 30938, 35928, 36240, 37448, 39920, 42129, 44910, 46407, 46810, 54360, 56172, 59880, 61876, 70215, 71856, 74896, 75349, 77345, 84258, 89820, 92814, 93620, 108720, 112344, 119760, 123752, 139221, 140430, 150698, 154690, 168516, 179640, 185628, 187240, 210645, 224688, 226047, 232035, 247504, 278442, 280860, 301396, 309380, 337032, 359280, 371256, 374480, 376745, 421290, 452094, 464070, 556884, 561720, 602792, 618760, 674064, 678141, 696105, 742512, 753490, 842580, 904188, 928140, 1113768, 1123440, 1130235, 1205584, 1237520, 1356282, 1392210, 1506980, 1685160, 1808376, 1856280, 2227536, 2260470, 2335819, 2712564, 2784420, 3013960, 3370320, 3390705, 3616752, 3712560, 4520940, 4671638, 5425128, 5568840, 6027920, 6781410, 7007457, 9041880, 9343276, 10850256, 11137680, 11679095, 13562820, 14014914, 18083760, 18686552, 21022371, 23358190, 27125640, 28029828, 35037285, 37373104, 42044742, 46716380, 54251280, 56059656, 70074570, 84089484, 93432760, 105111855, 112119312, 140149140, 168178968, 186865520, 210223710, 280298280, 336357936, 420447420, 560596560, 840894840, 1681789680]

約数ペア:

[(1, 1681789680), (2, 840894840), (3, 560596560), (4, 420447420), (5, 336357936), (6, 280298280), (8, 210223710), (9, 186865520), (10, 168178968), (12, 140149140), (15, 112119312), (16, 105111855), (18, 93432760), (20, 84089484), (24, 70074570), (30, 56059656), (31, 54251280), (36, 46716380), (40, 42044742), (45, 37373104), (48, 35037285), (60, 28029828), (62, 27125640), (72, 23358190), (80, 21022371), (90, 18686552), (93, 18083760), (120, 14014914), (124, 13562820), (144, 11679095), (151, 11137680), (155, 10850256), (180, 9343276), (186, 9041880), (240, 7007457), (248, 6781410), (279, 6027920), (302, 5568840), (310, 5425128), (360, 4671638), (372, 4520940), (453, 3712560), (465, 3616752), (496, 3390705), (499, 3370320), (558, 3013960), (604, 2784420), (620, 2712564), (720, 2335819), (744, 2260470), (755, 2227536), (906, 1856280), (930, 1808376), (998, 1685160), (1116, 1506980), (1208, 1392210), (1240, 1356282), (1359, 1237520), (1395, 1205584), (1488, 1130235), (1497, 1123440), (1510, 1113768), (1812, 928140), (1860, 904188), (1996, 842580), (2232, 753490), (2265, 742512), (2416, 696105), (2480, 678141), (2495, 674064), (2718, 618760), (2790, 602792), (2994, 561720), (3020, 556884), (3624, 464070), (3720, 452094), (3992, 421290), (4464, 376745), (4491, 374480), (4530, 371256), (4681, 359280), (4990, 337032), (5436, 309380), (5580, 301396), (5988, 280860), (6040, 278442), (6795, 247504), (7248, 232035), (7440, 226047), (7485, 224688), (7984, 210645), (8982, 187240), (9060, 185628), (9362, 179640), (9980, 168516), (10872, 154690), (11160, 150698), (11976, 140430), (12080, 139221), (13590, 123752), (14043, 119760), (14970, 112344), (15469, 108720), (17964, 93620), (18120, 92814), (18724, 89820), (19960, 84258), (21744, 77345), (22320, 75349), (22455, 74896), (23405, 71856), (23952, 70215), (27180, 61876), (28086, 59880), (29940, 56172), (30938, 54360), (35928, 46810), (36240, 46407), (37448, 44910), (39920, 42129)]