161669520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:495

約数の個数: 200

約数和(自身を含む): 572102520

約数和(自身を除く): 410433000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 81, 90, 108, 120, 122, 135, 144, 162, 180, 183, 216, 240, 244, 270, 305, 324, 360, 366, 405, 409, 432, 488, 540, 549, 610, 648, 720, 732, 810, 818, 915, 976, 1080, 1098, 1220, 1227, 1296, 1464, 1620, 1636, 1647, 1830, 2045, 2160, 2196, 2440, 2454, 2745, 2928, 3240, 3272, 3294, 3660, 3681, 4090, 4392, 4880, 4908, 4941, 5490, 6135, 6480, 6544, 6588, 7320, 7362, 8180, 8235, 8784, 9816, 9882, 10980, 11043, 12270, 13176, 14640, 14724, 16360, 16470, 18405, 19632, 19764, 21960, 22086, 24540, 24705, 24949, 26352, 29448, 32720, 32940, 33129, 36810, 39528, 43920, 44172, 49080, 49410, 49898, 55215, 58896, 65880, 66258, 73620, 74847, 79056, 88344, 98160, 98820, 99796, 110430, 124745, 131760, 132516, 147240, 149694, 165645, 176688, 197640, 199592, 220860, 224541, 249490, 265032, 294480, 299388, 331290, 374235, 395280, 399184, 441720, 449082, 498980, 530064, 598776, 662580, 673623, 748470, 883440, 898164, 997960, 1122705, 1197552, 1325160, 1347246, 1496940, 1796328, 1995920, 2020869, 2245410, 2650320, 2694492, 2993880, 3368115, 3592656, 4041738, 4490820, 5388984, 5987760, 6736230, 8083476, 8981640, 10104345, 10777968, 13472460, 16166952, 17963280, 20208690, 26944920, 32333904, 40417380, 53889840, 80834760, 161669520]

約数ペア:

[(1, 161669520), (2, 80834760), (3, 53889840), (4, 40417380), (5, 32333904), (6, 26944920), (8, 20208690), (9, 17963280), (10, 16166952), (12, 13472460), (15, 10777968), (16, 10104345), (18, 8981640), (20, 8083476), (24, 6736230), (27, 5987760), (30, 5388984), (36, 4490820), (40, 4041738), (45, 3592656), (48, 3368115), (54, 2993880), (60, 2694492), (61, 2650320), (72, 2245410), (80, 2020869), (81, 1995920), (90, 1796328), (108, 1496940), (120, 1347246), (122, 1325160), (135, 1197552), (144, 1122705), (162, 997960), (180, 898164), (183, 883440), (216, 748470), (240, 673623), (244, 662580), (270, 598776), (305, 530064), (324, 498980), (360, 449082), (366, 441720), (405, 399184), (409, 395280), (432, 374235), (488, 331290), (540, 299388), (549, 294480), (610, 265032), (648, 249490), (720, 224541), (732, 220860), (810, 199592), (818, 197640), (915, 176688), (976, 165645), (1080, 149694), (1098, 147240), (1220, 132516), (1227, 131760), (1296, 124745), (1464, 110430), (1620, 99796), (1636, 98820), (1647, 98160), (1830, 88344), (2045, 79056), (2160, 74847), (2196, 73620), (2440, 66258), (2454, 65880), (2745, 58896), (2928, 55215), (3240, 49898), (3272, 49410), (3294, 49080), (3660, 44172), (3681, 43920), (4090, 39528), (4392, 36810), (4880, 33129), (4908, 32940), (4941, 32720), (5490, 29448), (6135, 26352), (6480, 24949), (6544, 24705), (6588, 24540), (7320, 22086), (7362, 21960), (8180, 19764), (8235, 19632), (8784, 18405), (9816, 16470), (9882, 16360), (10980, 14724), (11043, 14640), (12270, 13176)]