161949060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9887}}^1$

素因数の和:9922

約数の個数: 144

約数和(自身を含む): 604670976

約数和(自身を除く): 442721916

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 9887, 16380, 19774, 29661, 39548, 49435, 59322, 69209, 88983, 98870, 118644, 128531, 138418, 148305, 177966, 197740, 207627, 257062, 276836, 296610, 346045, 355932, 385593, 415254, 444915, 514124, 593220, 622881, 642655, 692090, 771186, 830508, 889830, 899717, 1038135, 1156779, 1245762, 1285310, 1384180, 1542372, 1779660, 1799434, 1927965, 2076270, 2313558, 2491524, 2570620, 2699151, 3114405, 3598868, 3855930, 4152540, 4498585, 4627116, 5398302, 5783895, 6228810, 7711860, 8097453, 8997170, 10796604, 11567790, 12457620, 13495755, 16194906, 17994340, 23135580, 26991510, 32389812, 40487265, 53983020, 80974530, 161949060]

約数ペア:

[(1, 161949060), (2, 80974530), (3, 53983020), (4, 40487265), (5, 32389812), (6, 26991510), (7, 23135580), (9, 17994340), (10, 16194906), (12, 13495755), (13, 12457620), (14, 11567790), (15, 10796604), (18, 8997170), (20, 8097453), (21, 7711860), (26, 6228810), (28, 5783895), (30, 5398302), (35, 4627116), (36, 4498585), (39, 4152540), (42, 3855930), (45, 3598868), (52, 3114405), (60, 2699151), (63, 2570620), (65, 2491524), (70, 2313558), (78, 2076270), (84, 1927965), (90, 1799434), (91, 1779660), (105, 1542372), (117, 1384180), (126, 1285310), (130, 1245762), (140, 1156779), (156, 1038135), (180, 899717), (182, 889830), (195, 830508), (210, 771186), (234, 692090), (252, 642655), (260, 622881), (273, 593220), (315, 514124), (364, 444915), (390, 415254), (420, 385593), (455, 355932), (468, 346045), (546, 296610), (585, 276836), (630, 257062), (780, 207627), (819, 197740), (910, 177966), (1092, 148305), (1170, 138418), (1260, 128531), (1365, 118644), (1638, 98870), (1820, 88983), (2340, 69209), (2730, 59322), (3276, 49435), (4095, 39548), (5460, 29661), (8190, 19774), (9887, 16380)]