17850420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 64017408

約数和(自身を除く): 46166988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 457, 465, 558, 620, 630, 651, 868, 914, 930, 1085, 1116, 1260, 1302, 1371, 1395, 1828, 1860, 1953, 2170, 2285, 2604, 2742, 2790, 3199, 3255, 3906, 4113, 4340, 4570, 5484, 5580, 6398, 6510, 6855, 7812, 8226, 9140, 9597, 9765, 12796, 13020, 13710, 14167, 15995, 16452, 19194, 19530, 20565, 27420, 28334, 28791, 31990, 38388, 39060, 41130, 42501, 47985, 56668, 57582, 63980, 70835, 82260, 85002, 95970, 99169, 115164, 127503, 141670, 143955, 170004, 191940, 198338, 212505, 255006, 283340, 287910, 297507, 396676, 425010, 495845, 510012, 575820, 595014, 637515, 850020, 892521, 991690, 1190028, 1275030, 1487535, 1785042, 1983380, 2550060, 2975070, 3570084, 4462605, 5950140, 8925210, 17850420]

約数ペア:

[(1, 17850420), (2, 8925210), (3, 5950140), (4, 4462605), (5, 3570084), (6, 2975070), (7, 2550060), (9, 1983380), (10, 1785042), (12, 1487535), (14, 1275030), (15, 1190028), (18, 991690), (20, 892521), (21, 850020), (28, 637515), (30, 595014), (31, 575820), (35, 510012), (36, 495845), (42, 425010), (45, 396676), (60, 297507), (62, 287910), (63, 283340), (70, 255006), (84, 212505), (90, 198338), (93, 191940), (105, 170004), (124, 143955), (126, 141670), (140, 127503), (155, 115164), (180, 99169), (186, 95970), (210, 85002), (217, 82260), (252, 70835), (279, 63980), (310, 57582), (315, 56668), (372, 47985), (420, 42501), (434, 41130), (457, 39060), (465, 38388), (558, 31990), (620, 28791), (630, 28334), (651, 27420), (868, 20565), (914, 19530), (930, 19194), (1085, 16452), (1116, 15995), (1260, 14167), (1302, 13710), (1371, 13020), (1395, 12796), (1828, 9765), (1860, 9597), (1953, 9140), (2170, 8226), (2285, 7812), (2604, 6855), (2742, 6510), (2790, 6398), (3199, 5580), (3255, 5484), (3906, 4570), (4113, 4340)]