405487680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32491}}^1$

素因数の和:32524

約数の個数: 112

約数和(自身を含む): 1386498624

約数和(自身を除く): 981010944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 32491, 64982, 97473, 129964, 162455, 194946, 259928, 324910, 389892, 422383, 487365, 519856, 649820, 779784, 844766, 974730, 1039712, 1267149, 1299640, 1559568, 1689532, 1949460, 2079424, 2111915, 2534298, 2599280, 3119136, 3379064, 3898920, 4223830, 5068596, 5198560, 6238272, 6335745, 6758128, 7797840, 8447660, 10137192, 10397120, 12671490, 13516256, 15595680, 16895320, 20274384, 25342980, 27032512, 31191360, 33790640, 40548768, 50685960, 67581280, 81097536, 101371920, 135162560, 202743840, 405487680]

約数ペア:

[(1, 405487680), (2, 202743840), (3, 135162560), (4, 101371920), (5, 81097536), (6, 67581280), (8, 50685960), (10, 40548768), (12, 33790640), (13, 31191360), (15, 27032512), (16, 25342980), (20, 20274384), (24, 16895320), (26, 15595680), (30, 13516256), (32, 12671490), (39, 10397120), (40, 10137192), (48, 8447660), (52, 7797840), (60, 6758128), (64, 6335745), (65, 6238272), (78, 5198560), (80, 5068596), (96, 4223830), (104, 3898920), (120, 3379064), (130, 3119136), (156, 2599280), (160, 2534298), (192, 2111915), (195, 2079424), (208, 1949460), (240, 1689532), (260, 1559568), (312, 1299640), (320, 1267149), (390, 1039712), (416, 974730), (480, 844766), (520, 779784), (624, 649820), (780, 519856), (832, 487365), (960, 422383), (1040, 389892), (1248, 324910), (1560, 259928), (2080, 194946), (2496, 162455), (3120, 129964), (4160, 97473), (6240, 64982), (12480, 32491)]