129171420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3307}}^1$

素因数の和:3360

約数の個数: 144

約数和(自身を含む): 462379008

約数和(自身を除く): 333207588

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, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3307, 3906, 4340, 5580, 6510, 6614, 7812, 9765, 9921, 13020, 13228, 16535, 19530, 19842, 23149, 29763, 33070, 39060, 39684, 46298, 49605, 59526, 66140, 69447, 92596, 99210, 102517, 115745, 119052, 138894, 148815, 198420, 205034, 208341, 231490, 277788, 297630, 307551, 347235, 410068, 416682, 462980, 512585, 595260, 615102, 694470, 717619, 833364, 922653, 1025170, 1041705, 1230204, 1388940, 1435238, 1537755, 1845306, 2050340, 2083410, 2152857, 2870476, 3075510, 3588095, 3690612, 4166820, 4305714, 4613265, 6151020, 6458571, 7176190, 8611428, 9226530, 10764285, 12917142, 14352380, 18453060, 21528570, 25834284, 32292855, 43057140, 64585710, 129171420]

約数ペア:

[(1, 129171420), (2, 64585710), (3, 43057140), (4, 32292855), (5, 25834284), (6, 21528570), (7, 18453060), (9, 14352380), (10, 12917142), (12, 10764285), (14, 9226530), (15, 8611428), (18, 7176190), (20, 6458571), (21, 6151020), (28, 4613265), (30, 4305714), (31, 4166820), (35, 3690612), (36, 3588095), (42, 3075510), (45, 2870476), (60, 2152857), (62, 2083410), (63, 2050340), (70, 1845306), (84, 1537755), (90, 1435238), (93, 1388940), (105, 1230204), (124, 1041705), (126, 1025170), (140, 922653), (155, 833364), (180, 717619), (186, 694470), (210, 615102), (217, 595260), (252, 512585), (279, 462980), (310, 416682), (315, 410068), (372, 347235), (420, 307551), (434, 297630), (465, 277788), (558, 231490), (620, 208341), (630, 205034), (651, 198420), (868, 148815), (930, 138894), (1085, 119052), (1116, 115745), (1260, 102517), (1302, 99210), (1395, 92596), (1860, 69447), (1953, 66140), (2170, 59526), (2604, 49605), (2790, 46298), (3255, 39684), (3307, 39060), (3906, 33070), (4340, 29763), (5580, 23149), (6510, 19842), (6614, 19530), (7812, 16535), (9765, 13228), (9921, 13020)]