155304520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 443232000

約数和(自身を除く): 287927480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 59, 68, 70, 79, 85, 98, 118, 119, 136, 140, 158, 170, 196, 236, 238, 245, 280, 295, 316, 340, 392, 395, 413, 472, 476, 490, 553, 590, 595, 632, 680, 790, 826, 833, 952, 980, 1003, 1106, 1180, 1190, 1343, 1580, 1652, 1666, 1960, 2006, 2065, 2212, 2360, 2380, 2686, 2765, 2891, 3160, 3304, 3332, 3871, 4012, 4130, 4165, 4424, 4661, 4760, 5015, 5372, 5530, 5782, 6664, 6715, 7021, 7742, 8024, 8260, 8330, 9322, 9401, 10030, 10744, 11060, 11564, 13430, 14042, 14455, 15484, 16520, 16660, 18644, 18802, 19355, 20060, 22120, 23128, 23305, 26860, 28084, 28910, 30968, 32627, 33320, 35105, 37288, 37604, 38710, 40120, 46610, 47005, 49147, 53720, 56168, 57820, 65254, 65807, 70210, 75208, 77420, 79237, 93220, 94010, 98294, 115640, 130508, 131614, 140420, 154840, 158474, 163135, 186440, 188020, 196588, 228389, 245735, 261016, 263228, 280840, 316948, 326270, 329035, 376040, 393176, 396185, 456778, 491470, 526456, 554659, 633896, 652540, 658070, 792370, 913556, 982940, 1109318, 1141945, 1305080, 1316140, 1584740, 1827112, 1965880, 2218636, 2283890, 2632280, 2773295, 3169480, 3882613, 4437272, 4567780, 5546590, 7765226, 9135560, 11093180, 15530452, 19413065, 22186360, 31060904, 38826130, 77652260, 155304520]

約数ペア:

[(1, 155304520), (2, 77652260), (4, 38826130), (5, 31060904), (7, 22186360), (8, 19413065), (10, 15530452), (14, 11093180), (17, 9135560), (20, 7765226), (28, 5546590), (34, 4567780), (35, 4437272), (40, 3882613), (49, 3169480), (56, 2773295), (59, 2632280), (68, 2283890), (70, 2218636), (79, 1965880), (85, 1827112), (98, 1584740), (118, 1316140), (119, 1305080), (136, 1141945), (140, 1109318), (158, 982940), (170, 913556), (196, 792370), (236, 658070), (238, 652540), (245, 633896), (280, 554659), (295, 526456), (316, 491470), (340, 456778), (392, 396185), (395, 393176), (413, 376040), (472, 329035), (476, 326270), (490, 316948), (553, 280840), (590, 263228), (595, 261016), (632, 245735), (680, 228389), (790, 196588), (826, 188020), (833, 186440), (952, 163135), (980, 158474), (1003, 154840), (1106, 140420), (1180, 131614), (1190, 130508), (1343, 115640), (1580, 98294), (1652, 94010), (1666, 93220), (1960, 79237), (2006, 77420), (2065, 75208), (2212, 70210), (2360, 65807), (2380, 65254), (2686, 57820), (2765, 56168), (2891, 53720), (3160, 49147), (3304, 47005), (3332, 46610), (3871, 40120), (4012, 38710), (4130, 37604), (4165, 37288), (4424, 35105), (4661, 33320), (4760, 32627), (5015, 30968), (5372, 28910), (5530, 28084), (5782, 26860), (6664, 23305), (6715, 23128), (7021, 22120), (7742, 20060), (8024, 19355), (8260, 18802), (8330, 18644), (9322, 16660), (9401, 16520), (10030, 15484), (10744, 14455), (11060, 14042), (11564, 13430)]