161578480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{877}}^1$

素因数の和:951

約数の個数: 120

約数和(自身を含む): 446810688

約数和(自身を除く): 285232208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 188, 196, 235, 245, 280, 329, 376, 392, 470, 490, 560, 658, 752, 784, 877, 940, 980, 1316, 1645, 1754, 1880, 1960, 2303, 2632, 3290, 3508, 3760, 3920, 4385, 4606, 5264, 6139, 6580, 7016, 8770, 9212, 11515, 12278, 13160, 14032, 17540, 18424, 23030, 24556, 26320, 30695, 35080, 36848, 41219, 42973, 46060, 49112, 61390, 70160, 82438, 85946, 92120, 98224, 122780, 164876, 171892, 184240, 206095, 214865, 245560, 288533, 329752, 343784, 412190, 429730, 491120, 577066, 659504, 687568, 824380, 859460, 1154132, 1442665, 1648760, 1718920, 2019731, 2308264, 2885330, 3297520, 3437840, 4039462, 4616528, 5770660, 8078924, 10098655, 11541320, 16157848, 20197310, 23082640, 32315696, 40394620, 80789240, 161578480]

約数ペア:

[(1, 161578480), (2, 80789240), (4, 40394620), (5, 32315696), (7, 23082640), (8, 20197310), (10, 16157848), (14, 11541320), (16, 10098655), (20, 8078924), (28, 5770660), (35, 4616528), (40, 4039462), (47, 3437840), (49, 3297520), (56, 2885330), (70, 2308264), (80, 2019731), (94, 1718920), (98, 1648760), (112, 1442665), (140, 1154132), (188, 859460), (196, 824380), (235, 687568), (245, 659504), (280, 577066), (329, 491120), (376, 429730), (392, 412190), (470, 343784), (490, 329752), (560, 288533), (658, 245560), (752, 214865), (784, 206095), (877, 184240), (940, 171892), (980, 164876), (1316, 122780), (1645, 98224), (1754, 92120), (1880, 85946), (1960, 82438), (2303, 70160), (2632, 61390), (3290, 49112), (3508, 46060), (3760, 42973), (3920, 41219), (4385, 36848), (4606, 35080), (5264, 30695), (6139, 26320), (6580, 24556), (7016, 23030), (8770, 18424), (9212, 17540), (11515, 14032), (12278, 13160)]