15801840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1291}}^1$

素因数の和:1327

約数の個数: 120

約数和(自身を含む): 56233008

約数和(自身を除く): 40431168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1291, 1360, 1530, 2040, 2448, 2582, 3060, 3873, 4080, 5164, 6120, 6455, 7746, 10328, 11619, 12240, 12910, 15492, 19365, 20656, 21947, 23238, 25820, 30984, 38730, 43894, 46476, 51640, 58095, 61968, 65841, 77460, 87788, 92952, 103280, 109735, 116190, 131682, 154920, 175576, 185904, 197523, 219470, 232380, 263364, 309840, 329205, 351152, 395046, 438940, 464760, 526728, 658410, 790092, 877880, 929520, 987615, 1053456, 1316820, 1580184, 1755760, 1975230, 2633640, 3160368, 3950460, 5267280, 7900920, 15801840]

約数ペア:

[(1, 15801840), (2, 7900920), (3, 5267280), (4, 3950460), (5, 3160368), (6, 2633640), (8, 1975230), (9, 1755760), (10, 1580184), (12, 1316820), (15, 1053456), (16, 987615), (17, 929520), (18, 877880), (20, 790092), (24, 658410), (30, 526728), (34, 464760), (36, 438940), (40, 395046), (45, 351152), (48, 329205), (51, 309840), (60, 263364), (68, 232380), (72, 219470), (80, 197523), (85, 185904), (90, 175576), (102, 154920), (120, 131682), (136, 116190), (144, 109735), (153, 103280), (170, 92952), (180, 87788), (204, 77460), (240, 65841), (255, 61968), (272, 58095), (306, 51640), (340, 46476), (360, 43894), (408, 38730), (510, 30984), (612, 25820), (680, 23238), (720, 21947), (765, 20656), (816, 19365), (1020, 15492), (1224, 12910), (1291, 12240), (1360, 11619), (1530, 10328), (2040, 7746), (2448, 6455), (2582, 6120), (3060, 5164), (3873, 4080)]