1551101580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{2467}}^1$

素因数の和:2988

約数の個数: 144

約数和(自身を含む): 5390112000

約数和(自身を除く): 3839010420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 499, 630, 998, 1260, 1497, 1996, 2467, 2495, 2994, 3493, 4491, 4934, 4990, 5988, 6986, 7401, 7485, 8982, 9868, 9980, 10479, 12335, 13972, 14802, 14970, 17269, 17465, 17964, 20958, 22203, 22455, 24670, 29604, 29940, 31437, 34538, 34930, 37005, 41916, 44406, 44910, 49340, 51807, 52395, 62874, 69076, 69860, 74010, 86345, 88812, 89820, 103614, 104790, 111015, 125748, 148020, 155421, 157185, 172690, 207228, 209580, 222030, 259035, 310842, 314370, 345380, 444060, 518070, 621684, 628740, 777105, 1036140, 1231033, 1554210, 2462066, 3108420, 3693099, 4924132, 6155165, 7386198, 8617231, 11079297, 12310330, 14772396, 17234462, 18465495, 22158594, 24620660, 25851693, 34468924, 36930990, 43086155, 44317188, 51703386, 55396485, 73861980, 77555079, 86172310, 103406772, 110792970, 129258465, 155110158, 172344620, 221585940, 258516930, 310220316, 387775395, 517033860, 775550790, 1551101580]

約数ペア:

[(1, 1551101580), (2, 775550790), (3, 517033860), (4, 387775395), (5, 310220316), (6, 258516930), (7, 221585940), (9, 172344620), (10, 155110158), (12, 129258465), (14, 110792970), (15, 103406772), (18, 86172310), (20, 77555079), (21, 73861980), (28, 55396485), (30, 51703386), (35, 44317188), (36, 43086155), (42, 36930990), (45, 34468924), (60, 25851693), (63, 24620660), (70, 22158594), (84, 18465495), (90, 17234462), (105, 14772396), (126, 12310330), (140, 11079297), (180, 8617231), (210, 7386198), (252, 6155165), (315, 4924132), (420, 3693099), (499, 3108420), (630, 2462066), (998, 1554210), (1260, 1231033), (1497, 1036140), (1996, 777105), (2467, 628740), (2495, 621684), (2994, 518070), (3493, 444060), (4491, 345380), (4934, 314370), (4990, 310842), (5988, 259035), (6986, 222030), (7401, 209580), (7485, 207228), (8982, 172690), (9868, 157185), (9980, 155421), (10479, 148020), (12335, 125748), (13972, 111015), (14802, 104790), (14970, 103614), (17269, 89820), (17465, 88812), (17964, 86345), (20958, 74010), (22203, 69860), (22455, 69076), (24670, 62874), (29604, 52395), (29940, 51807), (31437, 49340), (34538, 44910), (34930, 44406), (37005, 41916)]