161015680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:436

約数の個数: 128

約数和(自身を含む): 444948480

約数和(自身を除く): 283932800

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, 283, 320, 448, 508, 560, 566, 635, 640, 889, 896, 1016, 1120, 1132, 1270, 1415, 1778, 1981, 2032, 2240, 2264, 2540, 2830, 3556, 3962, 4064, 4445, 4480, 4528, 5080, 5660, 7112, 7924, 8128, 8890, 9056, 9905, 10160, 11320, 14224, 15848, 16256, 17780, 18112, 19810, 20320, 22640, 28448, 31696, 35560, 35941, 36224, 39620, 40640, 45280, 56896, 63392, 71120, 71882, 79240, 81280, 90560, 113792, 126784, 142240, 143764, 158480, 179705, 181120, 251587, 253568, 284480, 287528, 316960, 359410, 503174, 568960, 575056, 633920, 718820, 1006348, 1150112, 1257935, 1267840, 1437640, 2012696, 2300224, 2515870, 2875280, 4025392, 4600448, 5031740, 5750560, 8050784, 10063480, 11501120, 16101568, 20126960, 23002240, 32203136, 40253920, 80507840, 161015680]

約数ペア:

[(1, 161015680), (2, 80507840), (4, 40253920), (5, 32203136), (7, 23002240), (8, 20126960), (10, 16101568), (14, 11501120), (16, 10063480), (20, 8050784), (28, 5750560), (32, 5031740), (35, 4600448), (40, 4025392), (56, 2875280), (64, 2515870), (70, 2300224), (80, 2012696), (112, 1437640), (127, 1267840), (128, 1257935), (140, 1150112), (160, 1006348), (224, 718820), (254, 633920), (280, 575056), (283, 568960), (320, 503174), (448, 359410), (508, 316960), (560, 287528), (566, 284480), (635, 253568), (640, 251587), (889, 181120), (896, 179705), (1016, 158480), (1120, 143764), (1132, 142240), (1270, 126784), (1415, 113792), (1778, 90560), (1981, 81280), (2032, 79240), (2240, 71882), (2264, 71120), (2540, 63392), (2830, 56896), (3556, 45280), (3962, 40640), (4064, 39620), (4445, 36224), (4480, 35941), (4528, 35560), (5080, 31696), (5660, 28448), (7112, 22640), (7924, 20320), (8128, 19810), (8890, 18112), (9056, 17780), (9905, 16256), (10160, 15848), (11320, 14224)]