218361780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13331}}^1$

素因数の和:13366

約数の個数: 144

約数和(自身を含む): 815278464

約数和(自身を除く): 596916684

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, 13331, 16380, 26662, 39993, 53324, 66655, 79986, 93317, 119979, 133310, 159972, 173303, 186634, 199965, 239958, 266620, 279951, 346606, 373268, 399930, 466585, 479916, 519909, 559902, 599895, 693212, 799860, 839853, 866515, 933170, 1039818, 1119804, 1199790, 1213121, 1399755, 1559727, 1679706, 1733030, 1866340, 2079636, 2399580, 2426242, 2599545, 2799510, 3119454, 3359412, 3466060, 3639363, 4199265, 4852484, 5199090, 5599020, 6065605, 6238908, 7278726, 7798635, 8398530, 10398180, 10918089, 12131210, 14557452, 15597270, 16797060, 18196815, 21836178, 24262420, 31194540, 36393630, 43672356, 54590445, 72787260, 109180890, 218361780]

約数ペア:

[(1, 218361780), (2, 109180890), (3, 72787260), (4, 54590445), (5, 43672356), (6, 36393630), (7, 31194540), (9, 24262420), (10, 21836178), (12, 18196815), (13, 16797060), (14, 15597270), (15, 14557452), (18, 12131210), (20, 10918089), (21, 10398180), (26, 8398530), (28, 7798635), (30, 7278726), (35, 6238908), (36, 6065605), (39, 5599020), (42, 5199090), (45, 4852484), (52, 4199265), (60, 3639363), (63, 3466060), (65, 3359412), (70, 3119454), (78, 2799510), (84, 2599545), (90, 2426242), (91, 2399580), (105, 2079636), (117, 1866340), (126, 1733030), (130, 1679706), (140, 1559727), (156, 1399755), (180, 1213121), (182, 1199790), (195, 1119804), (210, 1039818), (234, 933170), (252, 866515), (260, 839853), (273, 799860), (315, 693212), (364, 599895), (390, 559902), (420, 519909), (455, 479916), (468, 466585), (546, 399930), (585, 373268), (630, 346606), (780, 279951), (819, 266620), (910, 239958), (1092, 199965), (1170, 186634), (1260, 173303), (1365, 159972), (1638, 133310), (1820, 119979), (2340, 93317), (2730, 79986), (3276, 66655), (4095, 53324), (5460, 39993), (8190, 26662), (13331, 16380)]