191611620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1562

約数の個数: 144

約数和(自身を含む): 626476032

約数和(自身を除く): 434864412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 345, 372, 414, 460, 465, 558, 620, 690, 713, 828, 930, 1035, 1116, 1380, 1395, 1426, 1493, 1860, 2070, 2139, 2790, 2852, 2986, 3565, 4140, 4278, 4479, 5580, 5972, 6417, 7130, 7465, 8556, 8958, 10695, 12834, 13437, 14260, 14930, 17916, 21390, 22395, 25668, 26874, 29860, 32085, 34339, 42780, 44790, 46283, 53748, 64170, 67185, 68678, 89580, 92566, 103017, 128340, 134370, 137356, 138849, 171695, 185132, 206034, 231415, 268740, 277698, 309051, 343390, 412068, 416547, 462830, 515085, 555396, 618102, 686780, 694245, 833094, 925660, 1030170, 1064509, 1236204, 1388490, 1545255, 1666188, 2060340, 2082735, 2129018, 2776980, 3090510, 3193527, 4165470, 4258036, 5322545, 6181020, 6387054, 8330940, 9580581, 10645090, 12774108, 15967635, 19161162, 21290180, 31935270, 38322324, 47902905, 63870540, 95805810, 191611620]

約数ペア:

[(1, 191611620), (2, 95805810), (3, 63870540), (4, 47902905), (5, 38322324), (6, 31935270), (9, 21290180), (10, 19161162), (12, 15967635), (15, 12774108), (18, 10645090), (20, 9580581), (23, 8330940), (30, 6387054), (31, 6181020), (36, 5322545), (45, 4258036), (46, 4165470), (60, 3193527), (62, 3090510), (69, 2776980), (90, 2129018), (92, 2082735), (93, 2060340), (115, 1666188), (124, 1545255), (138, 1388490), (155, 1236204), (180, 1064509), (186, 1030170), (207, 925660), (230, 833094), (276, 694245), (279, 686780), (310, 618102), (345, 555396), (372, 515085), (414, 462830), (460, 416547), (465, 412068), (558, 343390), (620, 309051), (690, 277698), (713, 268740), (828, 231415), (930, 206034), (1035, 185132), (1116, 171695), (1380, 138849), (1395, 137356), (1426, 134370), (1493, 128340), (1860, 103017), (2070, 92566), (2139, 89580), (2790, 68678), (2852, 67185), (2986, 64170), (3565, 53748), (4140, 46283), (4278, 44790), (4479, 42780), (5580, 34339), (5972, 32085), (6417, 29860), (7130, 26874), (7465, 25668), (8556, 22395), (8958, 21390), (10695, 17916), (12834, 14930), (13437, 14260)]