51831360

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{857}}^1$

素因数の和:890

約数の個数: 224

約数和(自身を含む): 209214720

約数和(自身を除く): 157383360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 857, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1714, 1728, 1890, 2016, 2160, 2240, 2520, 2571, 2880, 3024, 3360, 3428, 3780, 4032, 4285, 4320, 5040, 5142, 5999, 6048, 6720, 6856, 7560, 7713, 8570, 8640, 10080, 10284, 11998, 12096, 12855, 13712, 15120, 15426, 17140, 17997, 20160, 20568, 23139, 23996, 25710, 27424, 29995, 30240, 30852, 34280, 35994, 38565, 41136, 46278, 47992, 51420, 53991, 54848, 59990, 60480, 61704, 68560, 71988, 77130, 82272, 89985, 92556, 95984, 102840, 107982, 115695, 119980, 123408, 137120, 143976, 154260, 161973, 164544, 179970, 185112, 191968, 205680, 215964, 231390, 239960, 246816, 269955, 274240, 287952, 308520, 323946, 359940, 370224, 383936, 411360, 431928, 462780, 479920, 493632, 539910, 575904, 617040, 647892, 719880, 740448, 809865, 822720, 863856, 925560, 959840, 1079820, 1151808, 1234080, 1295784, 1439760, 1480896, 1619730, 1727712, 1851120, 1919680, 2159640, 2468160, 2591568, 2879520, 3239460, 3455424, 3702240, 4319280, 5183136, 5759040, 6478920, 7404480, 8638560, 10366272, 12957840, 17277120, 25915680, 51831360]

約数ペア:

[(1, 51831360), (2, 25915680), (3, 17277120), (4, 12957840), (5, 10366272), (6, 8638560), (7, 7404480), (8, 6478920), (9, 5759040), (10, 5183136), (12, 4319280), (14, 3702240), (15, 3455424), (16, 3239460), (18, 2879520), (20, 2591568), (21, 2468160), (24, 2159640), (27, 1919680), (28, 1851120), (30, 1727712), (32, 1619730), (35, 1480896), (36, 1439760), (40, 1295784), (42, 1234080), (45, 1151808), (48, 1079820), (54, 959840), (56, 925560), (60, 863856), (63, 822720), (64, 809865), (70, 740448), (72, 719880), (80, 647892), (84, 617040), (90, 575904), (96, 539910), (105, 493632), (108, 479920), (112, 462780), (120, 431928), (126, 411360), (135, 383936), (140, 370224), (144, 359940), (160, 323946), (168, 308520), (180, 287952), (189, 274240), (192, 269955), (210, 246816), (216, 239960), (224, 231390), (240, 215964), (252, 205680), (270, 191968), (280, 185112), (288, 179970), (315, 164544), (320, 161973), (336, 154260), (360, 143976), (378, 137120), (420, 123408), (432, 119980), (448, 115695), (480, 107982), (504, 102840), (540, 95984), (560, 92556), (576, 89985), (630, 82272), (672, 77130), (720, 71988), (756, 68560), (840, 61704), (857, 60480), (864, 59990), (945, 54848), (960, 53991), (1008, 51420), (1080, 47992), (1120, 46278), (1260, 41136), (1344, 38565), (1440, 35994), (1512, 34280), (1680, 30852), (1714, 30240), (1728, 29995), (1890, 27424), (2016, 25710), (2160, 23996), (2240, 23139), (2520, 20568), (2571, 20160), (2880, 17997), (3024, 17140), (3360, 15426), (3428, 15120), (3780, 13712), (4032, 12855), (4285, 12096), (4320, 11998), (5040, 10284), (5142, 10080), (5999, 8640), (6048, 8570), (6720, 7713), (6856, 7560)]