28549440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:477

約数の個数: 168

約数和(自身を含む): 102705408

約数和(自身を除く): 74155968

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, 64, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 288, 320, 345, 360, 368, 414, 431, 460, 480, 552, 576, 690, 720, 736, 828, 862, 920, 960, 1035, 1104, 1293, 1380, 1440, 1472, 1656, 1724, 1840, 2070, 2155, 2208, 2586, 2760, 2880, 3312, 3448, 3680, 3879, 4140, 4310, 4416, 5172, 5520, 6465, 6624, 6896, 7360, 7758, 8280, 8620, 9913, 10344, 11040, 12930, 13248, 13792, 15516, 16560, 17240, 19395, 19826, 20688, 22080, 25860, 27584, 29739, 31032, 33120, 34480, 38790, 39652, 41376, 49565, 51720, 59478, 62064, 66240, 68960, 77580, 79304, 82752, 89217, 99130, 103440, 118956, 124128, 137920, 148695, 155160, 158608, 178434, 198260, 206880, 237912, 248256, 297390, 310320, 317216, 356868, 396520, 413760, 446085, 475824, 594780, 620640, 634432, 713736, 793040, 892170, 951648, 1189560, 1241280, 1427472, 1586080, 1784340, 1903296, 2379120, 2854944, 3172160, 3568680, 4758240, 5709888, 7137360, 9516480, 14274720, 28549440]

約数ペア:

[(1, 28549440), (2, 14274720), (3, 9516480), (4, 7137360), (5, 5709888), (6, 4758240), (8, 3568680), (9, 3172160), (10, 2854944), (12, 2379120), (15, 1903296), (16, 1784340), (18, 1586080), (20, 1427472), (23, 1241280), (24, 1189560), (30, 951648), (32, 892170), (36, 793040), (40, 713736), (45, 634432), (46, 620640), (48, 594780), (60, 475824), (64, 446085), (69, 413760), (72, 396520), (80, 356868), (90, 317216), (92, 310320), (96, 297390), (115, 248256), (120, 237912), (138, 206880), (144, 198260), (160, 178434), (180, 158608), (184, 155160), (192, 148695), (207, 137920), (230, 124128), (240, 118956), (276, 103440), (288, 99130), (320, 89217), (345, 82752), (360, 79304), (368, 77580), (414, 68960), (431, 66240), (460, 62064), (480, 59478), (552, 51720), (576, 49565), (690, 41376), (720, 39652), (736, 38790), (828, 34480), (862, 33120), (920, 31032), (960, 29739), (1035, 27584), (1104, 25860), (1293, 22080), (1380, 20688), (1440, 19826), (1472, 19395), (1656, 17240), (1724, 16560), (1840, 15516), (2070, 13792), (2155, 13248), (2208, 12930), (2586, 11040), (2760, 10344), (2880, 9913), (3312, 8620), (3448, 8280), (3680, 7758), (3879, 7360), (4140, 6896), (4310, 6624), (4416, 6465), (5172, 5520)]