165029120

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4159}}^1$

素因数の和:4211

約数の個数: 72

約数和(自身を含む): 408145920

約数和(自身を除く): 243116800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4159, 4960, 7936, 8318, 9920, 16636, 19840, 20795, 33272, 39680, 41590, 66544, 83180, 128929, 133088, 166360, 257858, 266176, 332720, 515716, 532352, 644645, 665440, 1031432, 1064704, 1289290, 1330880, 2062864, 2578580, 2661760, 4125728, 5157160, 5323520, 8251456, 10314320, 16502912, 20628640, 33005824, 41257280, 82514560, 165029120]

約数ペア:

[(1, 165029120), (2, 82514560), (4, 41257280), (5, 33005824), (8, 20628640), (10, 16502912), (16, 10314320), (20, 8251456), (31, 5323520), (32, 5157160), (40, 4125728), (62, 2661760), (64, 2578580), (80, 2062864), (124, 1330880), (128, 1289290), (155, 1064704), (160, 1031432), (248, 665440), (256, 644645), (310, 532352), (320, 515716), (496, 332720), (620, 266176), (640, 257858), (992, 166360), (1240, 133088), (1280, 128929), (1984, 83180), (2480, 66544), (3968, 41590), (4159, 39680), (4960, 33272), (7936, 20795), (8318, 19840), (9920, 16636)]