161679420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:849

約数の個数: 216

約数和(自身を含む): 596048544

約数和(自身を除く): 434369124

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 49, 60, 63, 69, 70, 84, 90, 92, 98, 105, 115, 126, 138, 140, 147, 161, 180, 196, 207, 210, 230, 245, 252, 276, 294, 315, 322, 345, 414, 420, 441, 460, 483, 490, 588, 630, 644, 690, 735, 797, 805, 828, 882, 966, 980, 1035, 1127, 1260, 1380, 1449, 1470, 1594, 1610, 1764, 1932, 2070, 2205, 2254, 2391, 2415, 2898, 2940, 3188, 3220, 3381, 3985, 4140, 4410, 4508, 4782, 4830, 5579, 5635, 5796, 6762, 7173, 7245, 7970, 8820, 9564, 9660, 10143, 11158, 11270, 11955, 13524, 14346, 14490, 15940, 16737, 16905, 18331, 20286, 22316, 22540, 23910, 27895, 28692, 28980, 33474, 33810, 35865, 36662, 39053, 40572, 47820, 50211, 50715, 54993, 55790, 66948, 67620, 71730, 73324, 78106, 83685, 91655, 100422, 101430, 109986, 111580, 117159, 128317, 143460, 156212, 164979, 167370, 183310, 195265, 200844, 202860, 219972, 234318, 251055, 256634, 274965, 329958, 334740, 351477, 366620, 384951, 390530, 468636, 502110, 513268, 549930, 585795, 641585, 659916, 702954, 769902, 781060, 824895, 898219, 1004220, 1099860, 1154853, 1171590, 1283170, 1405908, 1539804, 1649790, 1757385, 1796438, 1924755, 2309706, 2343180, 2566340, 2694657, 3299580, 3514770, 3592876, 3849510, 4491095, 4619412, 5389314, 5774265, 7029540, 7699020, 8083971, 8982190, 10778628, 11548530, 13473285, 16167942, 17964380, 23097060, 26946570, 32335884, 40419855, 53893140, 80839710, 161679420]

約数ペア:

[(1, 161679420), (2, 80839710), (3, 53893140), (4, 40419855), (5, 32335884), (6, 26946570), (7, 23097060), (9, 17964380), (10, 16167942), (12, 13473285), (14, 11548530), (15, 10778628), (18, 8982190), (20, 8083971), (21, 7699020), (23, 7029540), (28, 5774265), (30, 5389314), (35, 4619412), (36, 4491095), (42, 3849510), (45, 3592876), (46, 3514770), (49, 3299580), (60, 2694657), (63, 2566340), (69, 2343180), (70, 2309706), (84, 1924755), (90, 1796438), (92, 1757385), (98, 1649790), (105, 1539804), (115, 1405908), (126, 1283170), (138, 1171590), (140, 1154853), (147, 1099860), (161, 1004220), (180, 898219), (196, 824895), (207, 781060), (210, 769902), (230, 702954), (245, 659916), (252, 641585), (276, 585795), (294, 549930), (315, 513268), (322, 502110), (345, 468636), (414, 390530), (420, 384951), (441, 366620), (460, 351477), (483, 334740), (490, 329958), (588, 274965), (630, 256634), (644, 251055), (690, 234318), (735, 219972), (797, 202860), (805, 200844), (828, 195265), (882, 183310), (966, 167370), (980, 164979), (1035, 156212), (1127, 143460), (1260, 128317), (1380, 117159), (1449, 111580), (1470, 109986), (1594, 101430), (1610, 100422), (1764, 91655), (1932, 83685), (2070, 78106), (2205, 73324), (2254, 71730), (2391, 67620), (2415, 66948), (2898, 55790), (2940, 54993), (3188, 50715), (3220, 50211), (3381, 47820), (3985, 40572), (4140, 39053), (4410, 36662), (4508, 35865), (4782, 33810), (4830, 33474), (5579, 28980), (5635, 28692), (5796, 27895), (6762, 23910), (7173, 22540), (7245, 22316), (7970, 20286), (8820, 18331), (9564, 16905), (9660, 16737), (10143, 15940), (11158, 14490), (11270, 14346), (11955, 13524)]