2018520640

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{491}}^1$

素因数の和:980

約数の個数: 112

約数和(自身を含む): 4993721280

約数和(自身を除く): 2975200640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 443, 464, 491, 580, 886, 928, 982, 1160, 1772, 1856, 1964, 2215, 2320, 2455, 3544, 3928, 4430, 4640, 4910, 7088, 7856, 8860, 9280, 9820, 12847, 14176, 14239, 15712, 17720, 19640, 25694, 28352, 28478, 31424, 35440, 39280, 51388, 56956, 64235, 70880, 71195, 78560, 102776, 113912, 128470, 141760, 142390, 157120, 205552, 217513, 227824, 256940, 284780, 411104, 435026, 455648, 513880, 569560, 822208, 870052, 911296, 1027760, 1087565, 1139120, 1740104, 2055520, 2175130, 2278240, 3480208, 4111040, 4350260, 4556480, 6307877, 6960416, 8700520, 12615754, 13920832, 17401040, 25231508, 31539385, 34802080, 50463016, 63078770, 69604160, 100926032, 126157540, 201852064, 252315080, 403704128, 504630160, 1009260320, 2018520640]

約数ペア:

[(1, 2018520640), (2, 1009260320), (4, 504630160), (5, 403704128), (8, 252315080), (10, 201852064), (16, 126157540), (20, 100926032), (29, 69604160), (32, 63078770), (40, 50463016), (58, 34802080), (64, 31539385), (80, 25231508), (116, 17401040), (145, 13920832), (160, 12615754), (232, 8700520), (290, 6960416), (320, 6307877), (443, 4556480), (464, 4350260), (491, 4111040), (580, 3480208), (886, 2278240), (928, 2175130), (982, 2055520), (1160, 1740104), (1772, 1139120), (1856, 1087565), (1964, 1027760), (2215, 911296), (2320, 870052), (2455, 822208), (3544, 569560), (3928, 513880), (4430, 455648), (4640, 435026), (4910, 411104), (7088, 284780), (7856, 256940), (8860, 227824), (9280, 217513), (9820, 205552), (12847, 157120), (14176, 142390), (14239, 141760), (15712, 128470), (17720, 113912), (19640, 102776), (25694, 78560), (28352, 71195), (28478, 70880), (31424, 64235), (35440, 56956), (39280, 51388)]