28311120

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 200

約数和(自身を含む): 104517864

約数和(自身を除く): 76206744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 81, 85, 90, 102, 108, 120, 135, 136, 144, 153, 162, 170, 180, 204, 216, 240, 255, 257, 270, 272, 306, 324, 340, 360, 405, 408, 432, 459, 510, 514, 540, 612, 648, 680, 720, 765, 771, 810, 816, 918, 1020, 1028, 1080, 1224, 1285, 1296, 1360, 1377, 1530, 1542, 1620, 1836, 2040, 2056, 2160, 2295, 2313, 2448, 2570, 2754, 3060, 3084, 3240, 3672, 3855, 4080, 4112, 4369, 4590, 4626, 5140, 5508, 6120, 6168, 6480, 6885, 6939, 7344, 7710, 8738, 9180, 9252, 10280, 11016, 11565, 12240, 12336, 13107, 13770, 13878, 15420, 17476, 18360, 18504, 20560, 20817, 21845, 22032, 23130, 26214, 27540, 27756, 30840, 34695, 34952, 36720, 37008, 39321, 41634, 43690, 46260, 52428, 55080, 55512, 61680, 65535, 69390, 69904, 78642, 83268, 87380, 92520, 104085, 104856, 110160, 111024, 117963, 131070, 138780, 157284, 166536, 174760, 185040, 196605, 208170, 209712, 235926, 262140, 277560, 314568, 333072, 349520, 353889, 393210, 416340, 471852, 524280, 555120, 589815, 629136, 707778, 786420, 832680, 943704, 1048560, 1179630, 1415556, 1572840, 1665360, 1769445, 1887408, 2359260, 2831112, 3145680, 3538890, 4718520, 5662224, 7077780, 9437040, 14155560, 28311120]

約数ペア:

[(1, 28311120), (2, 14155560), (3, 9437040), (4, 7077780), (5, 5662224), (6, 4718520), (8, 3538890), (9, 3145680), (10, 2831112), (12, 2359260), (15, 1887408), (16, 1769445), (17, 1665360), (18, 1572840), (20, 1415556), (24, 1179630), (27, 1048560), (30, 943704), (34, 832680), (36, 786420), (40, 707778), (45, 629136), (48, 589815), (51, 555120), (54, 524280), (60, 471852), (68, 416340), (72, 393210), (80, 353889), (81, 349520), (85, 333072), (90, 314568), (102, 277560), (108, 262140), (120, 235926), (135, 209712), (136, 208170), (144, 196605), (153, 185040), (162, 174760), (170, 166536), (180, 157284), (204, 138780), (216, 131070), (240, 117963), (255, 111024), (257, 110160), (270, 104856), (272, 104085), (306, 92520), (324, 87380), (340, 83268), (360, 78642), (405, 69904), (408, 69390), (432, 65535), (459, 61680), (510, 55512), (514, 55080), (540, 52428), (612, 46260), (648, 43690), (680, 41634), (720, 39321), (765, 37008), (771, 36720), (810, 34952), (816, 34695), (918, 30840), (1020, 27756), (1028, 27540), (1080, 26214), (1224, 23130), (1285, 22032), (1296, 21845), (1360, 20817), (1377, 20560), (1530, 18504), (1542, 18360), (1620, 17476), (1836, 15420), (2040, 13878), (2056, 13770), (2160, 13107), (2295, 12336), (2313, 12240), (2448, 11565), (2570, 11016), (2754, 10280), (3060, 9252), (3084, 9180), (3240, 8738), (3672, 7710), (3855, 7344), (4080, 6939), (4112, 6885), (4369, 6480), (4590, 6168), (4626, 6120), (5140, 5508)]