28268280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 192

約数和(自身を含む): 101088000

約数和(自身を除く): 72819720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 51, 60, 62, 68, 72, 85, 90, 93, 102, 120, 124, 136, 149, 153, 155, 170, 180, 186, 204, 248, 255, 279, 298, 306, 310, 340, 360, 372, 408, 447, 465, 510, 527, 558, 596, 612, 620, 680, 744, 745, 765, 894, 930, 1020, 1054, 1116, 1192, 1224, 1240, 1341, 1395, 1490, 1530, 1581, 1788, 1860, 2040, 2108, 2232, 2235, 2533, 2635, 2682, 2790, 2980, 3060, 3162, 3576, 3720, 4216, 4470, 4619, 4743, 5066, 5270, 5364, 5580, 5960, 6120, 6324, 6705, 7599, 7905, 8940, 9238, 9486, 10132, 10540, 10728, 11160, 12648, 12665, 13410, 13857, 15198, 15810, 17880, 18476, 18972, 20264, 21080, 22797, 23095, 23715, 25330, 26820, 27714, 30396, 31620, 36952, 37944, 37995, 41571, 45594, 46190, 47430, 50660, 53640, 55428, 60792, 63240, 69285, 75990, 78523, 83142, 91188, 92380, 94860, 101320, 110856, 113985, 138570, 151980, 157046, 166284, 182376, 184760, 189720, 207855, 227970, 235569, 277140, 303960, 314092, 332568, 392615, 415710, 455940, 471138, 554280, 628184, 706707, 785230, 831420, 911880, 942276, 1177845, 1413414, 1570460, 1662840, 1884552, 2355690, 2826828, 3140920, 3533535, 4711380, 5653656, 7067070, 9422760, 14134140, 28268280]

約数ペア:

[(1, 28268280), (2, 14134140), (3, 9422760), (4, 7067070), (5, 5653656), (6, 4711380), (8, 3533535), (9, 3140920), (10, 2826828), (12, 2355690), (15, 1884552), (17, 1662840), (18, 1570460), (20, 1413414), (24, 1177845), (30, 942276), (31, 911880), (34, 831420), (36, 785230), (40, 706707), (45, 628184), (51, 554280), (60, 471138), (62, 455940), (68, 415710), (72, 392615), (85, 332568), (90, 314092), (93, 303960), (102, 277140), (120, 235569), (124, 227970), (136, 207855), (149, 189720), (153, 184760), (155, 182376), (170, 166284), (180, 157046), (186, 151980), (204, 138570), (248, 113985), (255, 110856), (279, 101320), (298, 94860), (306, 92380), (310, 91188), (340, 83142), (360, 78523), (372, 75990), (408, 69285), (447, 63240), (465, 60792), (510, 55428), (527, 53640), (558, 50660), (596, 47430), (612, 46190), (620, 45594), (680, 41571), (744, 37995), (745, 37944), (765, 36952), (894, 31620), (930, 30396), (1020, 27714), (1054, 26820), (1116, 25330), (1192, 23715), (1224, 23095), (1240, 22797), (1341, 21080), (1395, 20264), (1490, 18972), (1530, 18476), (1581, 17880), (1788, 15810), (1860, 15198), (2040, 13857), (2108, 13410), (2232, 12665), (2235, 12648), (2533, 11160), (2635, 10728), (2682, 10540), (2790, 10132), (2980, 9486), (3060, 9238), (3162, 8940), (3576, 7905), (3720, 7599), (4216, 6705), (4470, 6324), (4619, 6120), (4743, 5960), (5066, 5580), (5270, 5364)]