128753520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:639

約数の個数: 160

約数和(自身を含む): 459827712

約数和(自身を除く): 331074192

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 173, 210, 240, 280, 336, 346, 420, 443, 519, 560, 692, 840, 865, 886, 1038, 1211, 1329, 1384, 1680, 1730, 1772, 2076, 2215, 2422, 2595, 2658, 2768, 3101, 3460, 3544, 3633, 4152, 4430, 4844, 5190, 5316, 6055, 6202, 6645, 6920, 7088, 7266, 8304, 8860, 9303, 9688, 10380, 10632, 12110, 12404, 13290, 13840, 14532, 15505, 17720, 18165, 18606, 19376, 20760, 21264, 24220, 24808, 26580, 29064, 31010, 35440, 36330, 37212, 41520, 46515, 48440, 49616, 53160, 58128, 62020, 72660, 74424, 76639, 93030, 96880, 106320, 124040, 145320, 148848, 153278, 186060, 229917, 248080, 290640, 306556, 372120, 383195, 459834, 536473, 613112, 744240, 766390, 919668, 1072946, 1149585, 1226224, 1532780, 1609419, 1839336, 2145892, 2299170, 2682365, 3065560, 3218838, 3678672, 4291784, 4598340, 5364730, 6131120, 6437676, 8047095, 8583568, 9196680, 10729460, 12875352, 16094190, 18393360, 21458920, 25750704, 32188380, 42917840, 64376760, 128753520]

約数ペア:

[(1, 128753520), (2, 64376760), (3, 42917840), (4, 32188380), (5, 25750704), (6, 21458920), (7, 18393360), (8, 16094190), (10, 12875352), (12, 10729460), (14, 9196680), (15, 8583568), (16, 8047095), (20, 6437676), (21, 6131120), (24, 5364730), (28, 4598340), (30, 4291784), (35, 3678672), (40, 3218838), (42, 3065560), (48, 2682365), (56, 2299170), (60, 2145892), (70, 1839336), (80, 1609419), (84, 1532780), (105, 1226224), (112, 1149585), (120, 1072946), (140, 919668), (168, 766390), (173, 744240), (210, 613112), (240, 536473), (280, 459834), (336, 383195), (346, 372120), (420, 306556), (443, 290640), (519, 248080), (560, 229917), (692, 186060), (840, 153278), (865, 148848), (886, 145320), (1038, 124040), (1211, 106320), (1329, 96880), (1384, 93030), (1680, 76639), (1730, 74424), (1772, 72660), (2076, 62020), (2215, 58128), (2422, 53160), (2595, 49616), (2658, 48440), (2768, 46515), (3101, 41520), (3460, 37212), (3544, 36330), (3633, 35440), (4152, 31010), (4430, 29064), (4844, 26580), (5190, 24808), (5316, 24220), (6055, 21264), (6202, 20760), (6645, 19376), (6920, 18606), (7088, 18165), (7266, 17720), (8304, 15505), (8860, 14532), (9303, 13840), (9688, 13290), (10380, 12404), (10632, 12110)]