172914280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1871

約数の個数: 128

約数和(自身を含む): 500981760

約数和(自身を除く): 328067480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 868, 1085, 1240, 1364, 1540, 1705, 1736, 1811, 2170, 2387, 2728, 3080, 3410, 3622, 4340, 4774, 6820, 7244, 8680, 9055, 9548, 11935, 12677, 13640, 14488, 18110, 19096, 19921, 23870, 25354, 36220, 39842, 47740, 50708, 56141, 63385, 72440, 79684, 95480, 99605, 101416, 112282, 126770, 139447, 159368, 199210, 224564, 253540, 278894, 280705, 392987, 398420, 449128, 507080, 557788, 561410, 617551, 697235, 785974, 796840, 1115576, 1122820, 1235102, 1394470, 1571948, 1964935, 2245640, 2470204, 2788940, 3087755, 3143896, 3929870, 4322857, 4940408, 5577880, 6175510, 7859740, 8645714, 12351020, 15719480, 17291428, 21614285, 24702040, 34582856, 43228570, 86457140, 172914280]

約数ペア:

[(1, 172914280), (2, 86457140), (4, 43228570), (5, 34582856), (7, 24702040), (8, 21614285), (10, 17291428), (11, 15719480), (14, 12351020), (20, 8645714), (22, 7859740), (28, 6175510), (31, 5577880), (35, 4940408), (40, 4322857), (44, 3929870), (55, 3143896), (56, 3087755), (62, 2788940), (70, 2470204), (77, 2245640), (88, 1964935), (110, 1571948), (124, 1394470), (140, 1235102), (154, 1122820), (155, 1115576), (217, 796840), (220, 785974), (248, 697235), (280, 617551), (308, 561410), (310, 557788), (341, 507080), (385, 449128), (434, 398420), (440, 392987), (616, 280705), (620, 278894), (682, 253540), (770, 224564), (868, 199210), (1085, 159368), (1240, 139447), (1364, 126770), (1540, 112282), (1705, 101416), (1736, 99605), (1811, 95480), (2170, 79684), (2387, 72440), (2728, 63385), (3080, 56141), (3410, 50708), (3622, 47740), (4340, 39842), (4774, 36220), (6820, 25354), (7244, 23870), (8680, 19921), (9055, 19096), (9548, 18110), (11935, 14488), (12677, 13640)]