15695820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12457}}^1$

素因数の和:12479

約数の個数: 72

約数和(自身を含む): 54416544

約数和(自身を除く): 38720724

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, 12457, 24914, 37371, 49828, 62285, 74742, 87199, 112113, 124570, 149484, 174398, 186855, 224226, 249140, 261597, 348796, 373710, 435995, 448452, 523194, 560565, 747420, 784791, 871990, 1046388, 1121130, 1307985, 1569582, 1743980, 2242260, 2615970, 3139164, 3923955, 5231940, 7847910, 15695820]

約数ペア:

[(1, 15695820), (2, 7847910), (3, 5231940), (4, 3923955), (5, 3139164), (6, 2615970), (7, 2242260), (9, 1743980), (10, 1569582), (12, 1307985), (14, 1121130), (15, 1046388), (18, 871990), (20, 784791), (21, 747420), (28, 560565), (30, 523194), (35, 448452), (36, 435995), (42, 373710), (45, 348796), (60, 261597), (63, 249140), (70, 224226), (84, 186855), (90, 174398), (105, 149484), (126, 124570), (140, 112113), (180, 87199), (210, 74742), (252, 62285), (315, 49828), (420, 37371), (630, 24914), (1260, 12457)]