257776560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{911}}^1$

素因数の和:1064

約数の個数: 160

約数和(自身を含む): 895656960

約数和(自身を除く): 637880400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 131, 135, 144, 180, 216, 240, 262, 270, 360, 393, 432, 524, 540, 655, 720, 786, 911, 1048, 1080, 1179, 1310, 1572, 1822, 1965, 2096, 2160, 2358, 2620, 2733, 3144, 3537, 3644, 3930, 4555, 4716, 5240, 5466, 5895, 6288, 7074, 7288, 7860, 8199, 9110, 9432, 10480, 10932, 11790, 13665, 14148, 14576, 15720, 16398, 17685, 18220, 18864, 21864, 23580, 24597, 27330, 28296, 31440, 32796, 35370, 36440, 40995, 43728, 47160, 49194, 54660, 56592, 65592, 70740, 72880, 81990, 94320, 98388, 109320, 119341, 122985, 131184, 141480, 163980, 196776, 218640, 238682, 245970, 282960, 327960, 358023, 393552, 477364, 491940, 596705, 655920, 716046, 954728, 983880, 1074069, 1193410, 1432092, 1790115, 1909456, 1967760, 2148138, 2386820, 2864184, 3222207, 3580230, 4296276, 4773640, 5370345, 5728368, 6444414, 7160460, 8592552, 9547280, 10740690, 12888828, 14320920, 16111035, 17185104, 21481380, 25777656, 28641840, 32222070, 42962760, 51555312, 64444140, 85925520, 128888280, 257776560]

約数ペア:

[(1, 257776560), (2, 128888280), (3, 85925520), (4, 64444140), (5, 51555312), (6, 42962760), (8, 32222070), (9, 28641840), (10, 25777656), (12, 21481380), (15, 17185104), (16, 16111035), (18, 14320920), (20, 12888828), (24, 10740690), (27, 9547280), (30, 8592552), (36, 7160460), (40, 6444414), (45, 5728368), (48, 5370345), (54, 4773640), (60, 4296276), (72, 3580230), (80, 3222207), (90, 2864184), (108, 2386820), (120, 2148138), (131, 1967760), (135, 1909456), (144, 1790115), (180, 1432092), (216, 1193410), (240, 1074069), (262, 983880), (270, 954728), (360, 716046), (393, 655920), (432, 596705), (524, 491940), (540, 477364), (655, 393552), (720, 358023), (786, 327960), (911, 282960), (1048, 245970), (1080, 238682), (1179, 218640), (1310, 196776), (1572, 163980), (1822, 141480), (1965, 131184), (2096, 122985), (2160, 119341), (2358, 109320), (2620, 98388), (2733, 94320), (3144, 81990), (3537, 72880), (3644, 70740), (3930, 65592), (4555, 56592), (4716, 54660), (5240, 49194), (5466, 47160), (5895, 43728), (6288, 40995), (7074, 36440), (7288, 35370), (7860, 32796), (8199, 31440), (9110, 28296), (9432, 27330), (10480, 24597), (10932, 23580), (11790, 21864), (13665, 18864), (14148, 18220), (14576, 17685), (15720, 16398)]