15899040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 144

約数和(自身を含む): 55449576

約数和(自身を除く): 39550536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 181, 183, 240, 244, 288, 305, 360, 362, 366, 480, 488, 543, 549, 610, 720, 724, 732, 905, 915, 976, 1086, 1098, 1220, 1440, 1448, 1464, 1629, 1810, 1830, 1952, 2172, 2196, 2440, 2715, 2745, 2896, 2928, 3258, 3620, 3660, 4344, 4392, 4880, 5430, 5490, 5792, 5856, 6516, 7240, 7320, 8145, 8688, 8784, 9760, 10860, 10980, 11041, 13032, 14480, 14640, 16290, 17376, 17568, 21720, 21960, 22082, 26064, 28960, 29280, 32580, 33123, 43440, 43920, 44164, 52128, 55205, 65160, 66246, 86880, 87840, 88328, 99369, 110410, 130320, 132492, 165615, 176656, 198738, 220820, 260640, 264984, 331230, 353312, 397476, 441640, 496845, 529968, 662460, 794952, 883280, 993690, 1059936, 1324920, 1589904, 1766560, 1987380, 2649840, 3179808, 3974760, 5299680, 7949520, 15899040]

約数ペア:

[(1, 15899040), (2, 7949520), (3, 5299680), (4, 3974760), (5, 3179808), (6, 2649840), (8, 1987380), (9, 1766560), (10, 1589904), (12, 1324920), (15, 1059936), (16, 993690), (18, 883280), (20, 794952), (24, 662460), (30, 529968), (32, 496845), (36, 441640), (40, 397476), (45, 353312), (48, 331230), (60, 264984), (61, 260640), (72, 220820), (80, 198738), (90, 176656), (96, 165615), (120, 132492), (122, 130320), (144, 110410), (160, 99369), (180, 88328), (181, 87840), (183, 86880), (240, 66246), (244, 65160), (288, 55205), (305, 52128), (360, 44164), (362, 43920), (366, 43440), (480, 33123), (488, 32580), (543, 29280), (549, 28960), (610, 26064), (720, 22082), (724, 21960), (732, 21720), (905, 17568), (915, 17376), (976, 16290), (1086, 14640), (1098, 14480), (1220, 13032), (1440, 11041), (1448, 10980), (1464, 10860), (1629, 9760), (1810, 8784), (1830, 8688), (1952, 8145), (2172, 7320), (2196, 7240), (2440, 6516), (2715, 5856), (2745, 5792), (2896, 5490), (2928, 5430), (3258, 4880), (3620, 4392), (3660, 4344)]