28743120

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1901}}^1$

素因数の和:1930

約数の個数: 160

約数和(自身を含む): 113207040

約数和(自身を除く): 84463920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 1901, 2160, 2520, 3024, 3780, 3802, 5040, 5703, 7560, 7604, 9505, 11406, 13307, 15120, 15208, 17109, 19010, 22812, 26614, 28515, 30416, 34218, 38020, 39921, 45624, 51327, 53228, 57030, 66535, 68436, 76040, 79842, 85545, 91248, 102654, 106456, 114060, 119763, 133070, 136872, 152080, 159684, 171090, 199605, 205308, 212912, 228120, 239526, 256635, 266140, 273744, 319368, 342180, 359289, 399210, 410616, 456240, 479052, 513270, 532280, 598815, 638736, 684360, 718578, 798420, 821232, 958104, 1026540, 1064560, 1197630, 1368720, 1437156, 1596840, 1796445, 1916208, 2053080, 2395260, 2874312, 3193680, 3592890, 4106160, 4790520, 5748624, 7185780, 9581040, 14371560, 28743120]

約数ペア:

[(1, 28743120), (2, 14371560), (3, 9581040), (4, 7185780), (5, 5748624), (6, 4790520), (7, 4106160), (8, 3592890), (9, 3193680), (10, 2874312), (12, 2395260), (14, 2053080), (15, 1916208), (16, 1796445), (18, 1596840), (20, 1437156), (21, 1368720), (24, 1197630), (27, 1064560), (28, 1026540), (30, 958104), (35, 821232), (36, 798420), (40, 718578), (42, 684360), (45, 638736), (48, 598815), (54, 532280), (56, 513270), (60, 479052), (63, 456240), (70, 410616), (72, 399210), (80, 359289), (84, 342180), (90, 319368), (105, 273744), (108, 266140), (112, 256635), (120, 239526), (126, 228120), (135, 212912), (140, 205308), (144, 199605), (168, 171090), (180, 159684), (189, 152080), (210, 136872), (216, 133070), (240, 119763), (252, 114060), (270, 106456), (280, 102654), (315, 91248), (336, 85545), (360, 79842), (378, 76040), (420, 68436), (432, 66535), (504, 57030), (540, 53228), (560, 51327), (630, 45624), (720, 39921), (756, 38020), (840, 34218), (945, 30416), (1008, 28515), (1080, 26614), (1260, 22812), (1512, 19010), (1680, 17109), (1890, 15208), (1901, 15120), (2160, 13307), (2520, 11406), (3024, 9505), (3780, 7604), (3802, 7560), (5040, 5703)]