279664560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{7927}}^1$

素因数の和:7960

約数の個数: 180

約数和(自身を含む): 1092684528

約数和(自身を除く): 813019968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 7927, 8820, 11760, 15854, 17640, 23781, 31708, 35280, 39635, 47562, 55489, 63416, 71343, 79270, 95124, 110978, 118905, 126832, 142686, 158540, 166467, 190248, 221956, 237810, 277445, 285372, 317080, 332934, 356715, 380496, 388423, 443912, 475620, 499401, 554890, 570744, 634160, 665868, 713430, 776846, 832335, 887824, 951240, 998802, 1109780, 1141488, 1165269, 1331736, 1426860, 1553692, 1664670, 1902480, 1942115, 1997604, 2219560, 2330538, 2497005, 2663472, 2853720, 3107384, 3329340, 3495807, 3884230, 3995208, 4439120, 4661076, 4994010, 5707440, 5826345, 6214768, 6658680, 6991614, 7768460, 7990416, 9322152, 9988020, 11652690, 13317360, 13983228, 15536920, 17479035, 18644304, 19976040, 23305380, 27966456, 31073840, 34958070, 39952080, 46610760, 55932912, 69916140, 93221520, 139832280, 279664560]

約数ペア:

[(1, 279664560), (2, 139832280), (3, 93221520), (4, 69916140), (5, 55932912), (6, 46610760), (7, 39952080), (8, 34958070), (9, 31073840), (10, 27966456), (12, 23305380), (14, 19976040), (15, 18644304), (16, 17479035), (18, 15536920), (20, 13983228), (21, 13317360), (24, 11652690), (28, 9988020), (30, 9322152), (35, 7990416), (36, 7768460), (40, 6991614), (42, 6658680), (45, 6214768), (48, 5826345), (49, 5707440), (56, 4994010), (60, 4661076), (63, 4439120), (70, 3995208), (72, 3884230), (80, 3495807), (84, 3329340), (90, 3107384), (98, 2853720), (105, 2663472), (112, 2497005), (120, 2330538), (126, 2219560), (140, 1997604), (144, 1942115), (147, 1902480), (168, 1664670), (180, 1553692), (196, 1426860), (210, 1331736), (240, 1165269), (245, 1141488), (252, 1109780), (280, 998802), (294, 951240), (315, 887824), (336, 832335), (360, 776846), (392, 713430), (420, 665868), (441, 634160), (490, 570744), (504, 554890), (560, 499401), (588, 475620), (630, 443912), (720, 388423), (735, 380496), (784, 356715), (840, 332934), (882, 317080), (980, 285372), (1008, 277445), (1176, 237810), (1260, 221956), (1470, 190248), (1680, 166467), (1764, 158540), (1960, 142686), (2205, 126832), (2352, 118905), (2520, 110978), (2940, 95124), (3528, 79270), (3920, 71343), (4410, 63416), (5040, 55489), (5880, 47562), (7056, 39635), (7927, 35280), (8820, 31708), (11760, 23781), (15854, 17640)]