18058880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 51408000

約数和(自身を除く): 33349120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 139, 140, 145, 160, 203, 224, 232, 278, 280, 290, 320, 406, 448, 464, 556, 560, 580, 640, 695, 812, 896, 928, 973, 1015, 1112, 1120, 1160, 1390, 1624, 1856, 1946, 2030, 2224, 2240, 2320, 2780, 3248, 3712, 3892, 4031, 4060, 4448, 4480, 4640, 4865, 5560, 6496, 7784, 8062, 8120, 8896, 9280, 9730, 11120, 12992, 15568, 16124, 16240, 17792, 18560, 19460, 20155, 22240, 25984, 28217, 31136, 32248, 32480, 38920, 40310, 44480, 56434, 62272, 64496, 64960, 77840, 80620, 88960, 112868, 124544, 128992, 129920, 141085, 155680, 161240, 225736, 257984, 282170, 311360, 322480, 451472, 515968, 564340, 622720, 644960, 902944, 1128680, 1289920, 1805888, 2257360, 2579840, 3611776, 4514720, 9029440, 18058880]

約数ペア:

[(1, 18058880), (2, 9029440), (4, 4514720), (5, 3611776), (7, 2579840), (8, 2257360), (10, 1805888), (14, 1289920), (16, 1128680), (20, 902944), (28, 644960), (29, 622720), (32, 564340), (35, 515968), (40, 451472), (56, 322480), (58, 311360), (64, 282170), (70, 257984), (80, 225736), (112, 161240), (116, 155680), (128, 141085), (139, 129920), (140, 128992), (145, 124544), (160, 112868), (203, 88960), (224, 80620), (232, 77840), (278, 64960), (280, 64496), (290, 62272), (320, 56434), (406, 44480), (448, 40310), (464, 38920), (556, 32480), (560, 32248), (580, 31136), (640, 28217), (695, 25984), (812, 22240), (896, 20155), (928, 19460), (973, 18560), (1015, 17792), (1112, 16240), (1120, 16124), (1160, 15568), (1390, 12992), (1624, 11120), (1856, 9730), (1946, 9280), (2030, 8896), (2224, 8120), (2240, 8062), (2320, 7784), (2780, 6496), (3248, 5560), (3712, 4865), (3892, 4640), (4031, 4480), (4060, 4448)]