161301420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:744

約数の個数: 144

約数和(自身を含む): 562336320

約数和(自身を除く): 401034900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 313, 315, 409, 420, 626, 630, 818, 939, 1227, 1252, 1260, 1565, 1636, 1878, 2045, 2191, 2454, 2817, 2863, 3130, 3681, 3756, 4090, 4382, 4695, 4908, 5634, 5726, 6135, 6260, 6573, 7362, 8180, 8589, 8764, 9390, 10955, 11268, 11452, 12270, 13146, 14085, 14315, 14724, 17178, 18405, 18780, 19719, 21910, 24540, 25767, 26292, 28170, 28630, 32865, 34356, 36810, 39438, 42945, 43820, 51534, 56340, 57260, 65730, 73620, 78876, 85890, 98595, 103068, 128017, 128835, 131460, 171780, 197190, 256034, 257670, 384051, 394380, 512068, 515340, 640085, 768102, 896119, 1152153, 1280170, 1536204, 1792238, 1920255, 2304306, 2560340, 2688357, 3584476, 3840510, 4480595, 4608612, 5376714, 5760765, 7681020, 8065071, 8961190, 10753428, 11521530, 13441785, 16130142, 17922380, 23043060, 26883570, 32260284, 40325355, 53767140, 80650710, 161301420]

約数ペア:

[(1, 161301420), (2, 80650710), (3, 53767140), (4, 40325355), (5, 32260284), (6, 26883570), (7, 23043060), (9, 17922380), (10, 16130142), (12, 13441785), (14, 11521530), (15, 10753428), (18, 8961190), (20, 8065071), (21, 7681020), (28, 5760765), (30, 5376714), (35, 4608612), (36, 4480595), (42, 3840510), (45, 3584476), (60, 2688357), (63, 2560340), (70, 2304306), (84, 1920255), (90, 1792238), (105, 1536204), (126, 1280170), (140, 1152153), (180, 896119), (210, 768102), (252, 640085), (313, 515340), (315, 512068), (409, 394380), (420, 384051), (626, 257670), (630, 256034), (818, 197190), (939, 171780), (1227, 131460), (1252, 128835), (1260, 128017), (1565, 103068), (1636, 98595), (1878, 85890), (2045, 78876), (2191, 73620), (2454, 65730), (2817, 57260), (2863, 56340), (3130, 51534), (3681, 43820), (3756, 42945), (4090, 39438), (4382, 36810), (4695, 34356), (4908, 32865), (5634, 28630), (5726, 28170), (6135, 26292), (6260, 25767), (6573, 24540), (7362, 21910), (8180, 19719), (8589, 18780), (8764, 18405), (9390, 17178), (10955, 14724), (11268, 14315), (11452, 14085), (12270, 13146)]