31194660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 106452864

約数和(自身を除く): 75258204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 257, 289, 340, 357, 420, 476, 510, 514, 578, 595, 714, 771, 867, 1020, 1028, 1156, 1190, 1285, 1428, 1445, 1542, 1734, 1785, 1799, 2023, 2380, 2570, 2890, 3084, 3468, 3570, 3598, 3855, 4046, 4335, 4369, 5140, 5397, 5780, 6069, 7140, 7196, 7710, 8092, 8670, 8738, 8995, 10115, 10794, 12138, 13107, 15420, 17340, 17476, 17990, 20230, 21588, 21845, 24276, 26214, 26985, 30345, 30583, 35980, 40460, 43690, 52428, 53970, 60690, 61166, 65535, 74273, 87380, 91749, 107940, 121380, 122332, 131070, 148546, 152915, 183498, 222819, 262140, 297092, 305830, 366996, 371365, 445638, 458745, 519911, 611660, 742730, 891276, 917490, 1039822, 1114095, 1485460, 1559733, 1834980, 2079644, 2228190, 2599555, 3119466, 4456380, 5199110, 6238932, 7798665, 10398220, 15597330, 31194660]

約数ペア:

[(1, 31194660), (2, 15597330), (3, 10398220), (4, 7798665), (5, 6238932), (6, 5199110), (7, 4456380), (10, 3119466), (12, 2599555), (14, 2228190), (15, 2079644), (17, 1834980), (20, 1559733), (21, 1485460), (28, 1114095), (30, 1039822), (34, 917490), (35, 891276), (42, 742730), (51, 611660), (60, 519911), (68, 458745), (70, 445638), (84, 371365), (85, 366996), (102, 305830), (105, 297092), (119, 262140), (140, 222819), (170, 183498), (204, 152915), (210, 148546), (238, 131070), (255, 122332), (257, 121380), (289, 107940), (340, 91749), (357, 87380), (420, 74273), (476, 65535), (510, 61166), (514, 60690), (578, 53970), (595, 52428), (714, 43690), (771, 40460), (867, 35980), (1020, 30583), (1028, 30345), (1156, 26985), (1190, 26214), (1285, 24276), (1428, 21845), (1445, 21588), (1542, 20230), (1734, 17990), (1785, 17476), (1799, 17340), (2023, 15420), (2380, 13107), (2570, 12138), (2890, 10794), (3084, 10115), (3468, 8995), (3570, 8738), (3598, 8670), (3855, 8092), (4046, 7710), (4335, 7196), (4369, 7140), (5140, 6069), (5397, 5780)]