656010880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1153}}^1$

素因数の和:1306

約数の個数: 128

約数和(自身を含む): 1807994880

約数和(自身を除く): 1151984000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 280, 320, 448, 508, 560, 635, 640, 889, 896, 1016, 1120, 1153, 1270, 1778, 2032, 2240, 2306, 2540, 3556, 4064, 4445, 4480, 4612, 5080, 5765, 7112, 8071, 8128, 8890, 9224, 10160, 11530, 14224, 16142, 16256, 17780, 18448, 20320, 23060, 28448, 32284, 35560, 36896, 40355, 40640, 46120, 56896, 64568, 71120, 73792, 80710, 81280, 92240, 113792, 129136, 142240, 146431, 147584, 161420, 184480, 258272, 284480, 292862, 322840, 368960, 516544, 568960, 585724, 645680, 732155, 737920, 1025017, 1033088, 1171448, 1291360, 1464310, 2050034, 2342896, 2582720, 2928620, 4100068, 4685792, 5125085, 5165440, 5857240, 8200136, 9371584, 10250170, 11714480, 16400272, 18743168, 20500340, 23428960, 32800544, 41000680, 46857920, 65601088, 82001360, 93715840, 131202176, 164002720, 328005440, 656010880]

約数ペア:

[(1, 656010880), (2, 328005440), (4, 164002720), (5, 131202176), (7, 93715840), (8, 82001360), (10, 65601088), (14, 46857920), (16, 41000680), (20, 32800544), (28, 23428960), (32, 20500340), (35, 18743168), (40, 16400272), (56, 11714480), (64, 10250170), (70, 9371584), (80, 8200136), (112, 5857240), (127, 5165440), (128, 5125085), (140, 4685792), (160, 4100068), (224, 2928620), (254, 2582720), (280, 2342896), (320, 2050034), (448, 1464310), (508, 1291360), (560, 1171448), (635, 1033088), (640, 1025017), (889, 737920), (896, 732155), (1016, 645680), (1120, 585724), (1153, 568960), (1270, 516544), (1778, 368960), (2032, 322840), (2240, 292862), (2306, 284480), (2540, 258272), (3556, 184480), (4064, 161420), (4445, 147584), (4480, 146431), (4612, 142240), (5080, 129136), (5765, 113792), (7112, 92240), (8071, 81280), (8128, 80710), (8890, 73792), (9224, 71120), (10160, 64568), (11530, 56896), (14224, 46120), (16142, 40640), (16256, 40355), (17780, 36896), (18448, 35560), (20320, 32284), (23060, 28448)]