16261920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:535

約数の個数: 144

約数和(自身を含む): 58024512

約数和(自身を除く): 41762592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 491, 552, 690, 720, 736, 828, 920, 982, 1035, 1104, 1380, 1440, 1473, 1656, 1840, 1964, 2070, 2208, 2455, 2760, 2946, 3312, 3680, 3928, 4140, 4419, 4910, 5520, 5892, 6624, 7365, 7856, 8280, 8838, 9820, 11040, 11293, 11784, 14730, 15712, 16560, 17676, 19640, 22095, 22586, 23568, 29460, 33120, 33879, 35352, 39280, 44190, 45172, 47136, 56465, 58920, 67758, 70704, 78560, 88380, 90344, 101637, 112930, 117840, 135516, 141408, 169395, 176760, 180688, 203274, 225860, 235680, 271032, 338790, 353520, 361376, 406548, 451720, 508185, 542064, 677580, 707040, 813096, 903440, 1016370, 1084128, 1355160, 1626192, 1806880, 2032740, 2710320, 3252384, 4065480, 5420640, 8130960, 16261920]

約数ペア:

[(1, 16261920), (2, 8130960), (3, 5420640), (4, 4065480), (5, 3252384), (6, 2710320), (8, 2032740), (9, 1806880), (10, 1626192), (12, 1355160), (15, 1084128), (16, 1016370), (18, 903440), (20, 813096), (23, 707040), (24, 677580), (30, 542064), (32, 508185), (36, 451720), (40, 406548), (45, 361376), (46, 353520), (48, 338790), (60, 271032), (69, 235680), (72, 225860), (80, 203274), (90, 180688), (92, 176760), (96, 169395), (115, 141408), (120, 135516), (138, 117840), (144, 112930), (160, 101637), (180, 90344), (184, 88380), (207, 78560), (230, 70704), (240, 67758), (276, 58920), (288, 56465), (345, 47136), (360, 45172), (368, 44190), (414, 39280), (460, 35352), (480, 33879), (491, 33120), (552, 29460), (690, 23568), (720, 22586), (736, 22095), (828, 19640), (920, 17676), (982, 16560), (1035, 15712), (1104, 14730), (1380, 11784), (1440, 11293), (1473, 11040), (1656, 9820), (1840, 8838), (1964, 8280), (2070, 7856), (2208, 7365), (2455, 6624), (2760, 5892), (2946, 5520), (3312, 4910), (3680, 4419), (3928, 4140)]