90309280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:582

約数の個数: 96

約数和(自身を含む): 228735360

約数和(自身を除く): 138426080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 76, 80, 95, 122, 152, 160, 190, 244, 304, 305, 380, 487, 488, 608, 610, 760, 974, 976, 1159, 1220, 1520, 1948, 1952, 2318, 2435, 2440, 3040, 3896, 4636, 4870, 4880, 5795, 7792, 9253, 9272, 9740, 9760, 11590, 15584, 18506, 18544, 19480, 23180, 29707, 37012, 37088, 38960, 46265, 46360, 59414, 74024, 77920, 92530, 92720, 118828, 148048, 148535, 185060, 185440, 237656, 296096, 297070, 370120, 475312, 564433, 594140, 740240, 950624, 1128866, 1188280, 1480480, 2257732, 2376560, 2822165, 4515464, 4753120, 5644330, 9030928, 11288660, 18061856, 22577320, 45154640, 90309280]

約数ペア:

[(1, 90309280), (2, 45154640), (4, 22577320), (5, 18061856), (8, 11288660), (10, 9030928), (16, 5644330), (19, 4753120), (20, 4515464), (32, 2822165), (38, 2376560), (40, 2257732), (61, 1480480), (76, 1188280), (80, 1128866), (95, 950624), (122, 740240), (152, 594140), (160, 564433), (190, 475312), (244, 370120), (304, 297070), (305, 296096), (380, 237656), (487, 185440), (488, 185060), (608, 148535), (610, 148048), (760, 118828), (974, 92720), (976, 92530), (1159, 77920), (1220, 74024), (1520, 59414), (1948, 46360), (1952, 46265), (2318, 38960), (2435, 37088), (2440, 37012), (3040, 29707), (3896, 23180), (4636, 19480), (4870, 18544), (4880, 18506), (5795, 15584), (7792, 11590), (9253, 9760), (9272, 9740)]