78757120

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4733}}^1$

素因数の和:4767

約数の個数: 72

約数和(自身を含む): 203202216

約数和(自身を除く): 124445096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 4733, 8320, 9466, 16640, 18932, 23665, 37864, 47330, 61529, 75728, 94660, 123058, 151456, 189320, 246116, 302912, 307645, 378640, 492232, 605824, 615290, 757280, 984464, 1211648, 1230580, 1514560, 1968928, 2461160, 3029120, 3937856, 4922320, 6058240, 7875712, 9844640, 15751424, 19689280, 39378560, 78757120]

約数ペア:

[(1, 78757120), (2, 39378560), (4, 19689280), (5, 15751424), (8, 9844640), (10, 7875712), (13, 6058240), (16, 4922320), (20, 3937856), (26, 3029120), (32, 2461160), (40, 1968928), (52, 1514560), (64, 1230580), (65, 1211648), (80, 984464), (104, 757280), (128, 615290), (130, 605824), (160, 492232), (208, 378640), (256, 307645), (260, 302912), (320, 246116), (416, 189320), (520, 151456), (640, 123058), (832, 94660), (1040, 75728), (1280, 61529), (1664, 47330), (2080, 37864), (3328, 23665), (4160, 18932), (4733, 16640), (8320, 9466)]