28254720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:322

約数の個数: 160

約数和(自身を含む): 97618752

約数和(自身を除く): 69364032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 283, 312, 320, 384, 390, 416, 480, 512, 520, 566, 624, 640, 768, 780, 832, 849, 960, 1040, 1132, 1248, 1280, 1415, 1536, 1560, 1664, 1698, 1920, 2080, 2264, 2496, 2560, 2830, 3120, 3328, 3396, 3679, 3840, 4160, 4245, 4528, 4992, 5660, 6240, 6656, 6792, 7358, 7680, 8320, 8490, 9056, 9984, 11037, 11320, 12480, 13584, 14716, 16640, 16980, 18112, 18395, 19968, 22074, 22640, 24960, 27168, 29432, 33280, 33960, 36224, 36790, 44148, 45280, 49920, 54336, 55185, 58864, 67920, 72448, 73580, 88296, 90560, 99840, 108672, 110370, 117728, 135840, 144896, 147160, 176592, 181120, 217344, 220740, 235456, 271680, 294320, 353184, 362240, 434688, 441480, 470912, 543360, 588640, 706368, 724480, 882960, 941824, 1086720, 1177280, 1412736, 1765920, 1883648, 2173440, 2354560, 2825472, 3531840, 4709120, 5650944, 7063680, 9418240, 14127360, 28254720]

約数ペア:

[(1, 28254720), (2, 14127360), (3, 9418240), (4, 7063680), (5, 5650944), (6, 4709120), (8, 3531840), (10, 2825472), (12, 2354560), (13, 2173440), (15, 1883648), (16, 1765920), (20, 1412736), (24, 1177280), (26, 1086720), (30, 941824), (32, 882960), (39, 724480), (40, 706368), (48, 588640), (52, 543360), (60, 470912), (64, 441480), (65, 434688), (78, 362240), (80, 353184), (96, 294320), (104, 271680), (120, 235456), (128, 220740), (130, 217344), (156, 181120), (160, 176592), (192, 147160), (195, 144896), (208, 135840), (240, 117728), (256, 110370), (260, 108672), (283, 99840), (312, 90560), (320, 88296), (384, 73580), (390, 72448), (416, 67920), (480, 58864), (512, 55185), (520, 54336), (566, 49920), (624, 45280), (640, 44148), (768, 36790), (780, 36224), (832, 33960), (849, 33280), (960, 29432), (1040, 27168), (1132, 24960), (1248, 22640), (1280, 22074), (1415, 19968), (1536, 18395), (1560, 18112), (1664, 16980), (1698, 16640), (1920, 14716), (2080, 13584), (2264, 12480), (2496, 11320), (2560, 11037), (2830, 9984), (3120, 9056), (3328, 8490), (3396, 8320), (3679, 7680), (3840, 7358), (4160, 6792), (4245, 6656), (4528, 6240), (4992, 5660)]