87515820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{69457}}^1$

素因数の和:69479

約数の個数: 72

約数和(自身を含む): 303392544

約数和(自身を除く): 215876724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 69457, 138914, 208371, 277828, 347285, 416742, 486199, 625113, 694570, 833484, 972398, 1041855, 1250226, 1389140, 1458597, 1944796, 2083710, 2430995, 2500452, 2917194, 3125565, 4167420, 4375791, 4861990, 5834388, 6251130, 7292985, 8751582, 9723980, 12502260, 14585970, 17503164, 21878955, 29171940, 43757910, 87515820]

約数ペア:

[(1, 87515820), (2, 43757910), (3, 29171940), (4, 21878955), (5, 17503164), (6, 14585970), (7, 12502260), (9, 9723980), (10, 8751582), (12, 7292985), (14, 6251130), (15, 5834388), (18, 4861990), (20, 4375791), (21, 4167420), (28, 3125565), (30, 2917194), (35, 2500452), (36, 2430995), (42, 2083710), (45, 1944796), (60, 1458597), (63, 1389140), (70, 1250226), (84, 1041855), (90, 972398), (105, 833484), (126, 694570), (140, 625113), (180, 486199), (210, 416742), (252, 347285), (315, 277828), (420, 208371), (630, 138914), (1260, 69457)]