87385620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29723}}^1$

素因数の和:29749

約数の個数: 72

約数和(自身を含む): 284637024

約数和(自身を除く): 197251404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 29723, 59446, 89169, 118892, 148615, 178338, 208061, 297230, 356676, 416122, 445845, 594460, 624183, 832244, 891690, 1040305, 1248366, 1456427, 1783380, 2080610, 2496732, 2912854, 3120915, 4161220, 4369281, 5825708, 6241830, 7282135, 8738562, 12483660, 14564270, 17477124, 21846405, 29128540, 43692810, 87385620]

約数ペア:

[(1, 87385620), (2, 43692810), (3, 29128540), (4, 21846405), (5, 17477124), (6, 14564270), (7, 12483660), (10, 8738562), (12, 7282135), (14, 6241830), (15, 5825708), (20, 4369281), (21, 4161220), (28, 3120915), (30, 2912854), (35, 2496732), (42, 2080610), (49, 1783380), (60, 1456427), (70, 1248366), (84, 1040305), (98, 891690), (105, 832244), (140, 624183), (147, 594460), (196, 445845), (210, 416122), (245, 356676), (294, 297230), (420, 208061), (490, 178338), (588, 148615), (735, 118892), (980, 89169), (1470, 59446), (2940, 29723)]